diff --git a/doc/licenses/apache-commons-1.16.0/NOTICE b/doc/licenses/apache-commons-1.16.0/NOTICE
new file mode 100644
index 000000000..639cd1fb3
--- /dev/null
+++ b/doc/licenses/apache-commons-1.16.0/NOTICE
@@ -0,0 +1,5 @@
+Apache Commons Codec
+Copyright 2002-2023 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (https://www.apache.org/).
diff --git a/doc/licenses/apache-commons-codec-1.15/README b/doc/licenses/apache-commons-1.16.0/README
similarity index 92%
rename from doc/licenses/apache-commons-codec-1.15/README
rename to doc/licenses/apache-commons-1.16.0/README
index eed5894c9..3a59af752 100644
--- a/doc/licenses/apache-commons-codec-1.15/README
+++ b/doc/licenses/apache-commons-1.16.0/README
@@ -1,7 +1,7 @@
 Apache Commons Codec (http://commons.apache.org/proper/commons-codec/)
 -----------------------------------------------------------------------
 
-    Version: 1.15
+    Version: 1.16.0
     From: 'Apache Software Foundation' (https://www.apache.org/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/apache-commons-1.16.0/dep-coordinates.txt b/doc/licenses/apache-commons-1.16.0/dep-coordinates.txt
new file mode 100644
index 000000000..9d5153d43
--- /dev/null
+++ b/doc/licenses/apache-commons-1.16.0/dep-coordinates.txt
@@ -0,0 +1 @@
+commons-codec:commons-codec:jar:1.16.0
diff --git a/doc/licenses/apache-commons-codec-1.15/NOTICE b/doc/licenses/apache-commons-codec-1.15/NOTICE
deleted file mode 100644
index 9899d2108..000000000
--- a/doc/licenses/apache-commons-codec-1.15/NOTICE
+++ /dev/null
@@ -1,17 +0,0 @@
-Apache Commons Codec
-Copyright 2002-2020 The Apache Software Foundation
-
-This product includes software developed at
-The Apache Software Foundation (https://www.apache.org/).
-
-src/test/org/apache/commons/codec/language/DoubleMetaphoneTest.java
-contains test data from http://aspell.net/test/orig/batch0.tab.
-Copyright (C) 2002 Kevin Atkinson (kevina@gnu.org)
-
-===============================================================================
-
-The content of package org.apache.commons.codec.language.bm has been translated
-from the original php source code available at http://stevemorse.org/phoneticinfo.htm
-with permission from the original authors.
-Original source copyright:
-Copyright (c) 2008 Alexander Beider & Stephen P. Morse.
diff --git a/doc/licenses/apache-commons-codec-1.15/dep-coordinates.txt b/doc/licenses/apache-commons-codec-1.15/dep-coordinates.txt
deleted file mode 100644
index 29280ea81..000000000
--- a/doc/licenses/apache-commons-codec-1.15/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-commons-codec:commons-codec:jar:1.15
diff --git a/doc/licenses/apache-commons-lang-3.12.0/dep-coordinates.txt b/doc/licenses/apache-commons-lang-3.12.0/dep-coordinates.txt
deleted file mode 100644
index 512542ce6..000000000
--- a/doc/licenses/apache-commons-lang-3.12.0/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-org.apache.commons:commons-lang3:jar:3.12.0
diff --git a/doc/licenses/apache-commons-lang-3.12.0/NOTICE b/doc/licenses/apache-commons-lang-3.14.0/NOTICE
similarity index 70%
rename from doc/licenses/apache-commons-lang-3.12.0/NOTICE
rename to doc/licenses/apache-commons-lang-3.14.0/NOTICE
index 3d4c6906a..307ec45cf 100644
--- a/doc/licenses/apache-commons-lang-3.12.0/NOTICE
+++ b/doc/licenses/apache-commons-lang-3.14.0/NOTICE
@@ -1,5 +1,5 @@
 Apache Commons Lang
-Copyright 2001-2021 The Apache Software Foundation
+Copyright 2001-2023 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (https://www.apache.org/).
diff --git a/doc/licenses/apache-commons-lang-3.12.0/README b/doc/licenses/apache-commons-lang-3.14.0/README
similarity index 92%
rename from doc/licenses/apache-commons-lang-3.12.0/README
rename to doc/licenses/apache-commons-lang-3.14.0/README
index bce46d42b..079e21d57 100644
--- a/doc/licenses/apache-commons-lang-3.12.0/README
+++ b/doc/licenses/apache-commons-lang-3.14.0/README
@@ -1,7 +1,7 @@
 Apache Commons Lang (http://commons.apache.org/proper/commons-lang/)
 --------------------------------------------------------------------
 
-    Version: 3.12.0
+    Version: 3.14.0
     From: 'Apache Software Foundation' (https://www.apache.org/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/apache-commons-lang-3.14.0/dep-coordinates.txt b/doc/licenses/apache-commons-lang-3.14.0/dep-coordinates.txt
new file mode 100644
index 000000000..3822db1f7
--- /dev/null
+++ b/doc/licenses/apache-commons-lang-3.14.0/dep-coordinates.txt
@@ -0,0 +1 @@
+org.apache.commons:commons-lang3:jar:3.14.0
diff --git a/doc/licenses/apache-commons-pool-2.11.1/dep-coordinates.txt b/doc/licenses/apache-commons-pool-2.11.1/dep-coordinates.txt
deleted file mode 100644
index c6fd9e945..000000000
--- a/doc/licenses/apache-commons-pool-2.11.1/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-org.apache.commons:commons-pool2:jar:2.11.1
diff --git a/doc/licenses/apache-commons-pool-2.11.1/NOTICE b/doc/licenses/apache-commons-pool-2.12.0/NOTICE
similarity index 70%
rename from doc/licenses/apache-commons-pool-2.11.1/NOTICE
rename to doc/licenses/apache-commons-pool-2.12.0/NOTICE
index 75e95b7cc..2c90b4379 100644
--- a/doc/licenses/apache-commons-pool-2.11.1/NOTICE
+++ b/doc/licenses/apache-commons-pool-2.12.0/NOTICE
@@ -1,5 +1,5 @@
 Apache Commons Pool
-Copyright 2001-2021 The Apache Software Foundation
+Copyright 2001-2023 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (https://www.apache.org/).
diff --git a/doc/licenses/apache-commons-pool-2.11.1/README b/doc/licenses/apache-commons-pool-2.12.0/README
similarity index 92%
rename from doc/licenses/apache-commons-pool-2.11.1/README
rename to doc/licenses/apache-commons-pool-2.12.0/README
index 730aa886c..18db98e00 100644
--- a/doc/licenses/apache-commons-pool-2.11.1/README
+++ b/doc/licenses/apache-commons-pool-2.12.0/README
@@ -1,7 +1,7 @@
 Apache Commons Pool (http://commons.apache.org/proper/commons-pool/)
 --------------------------------------------------------------------
 
-    Version: 2.11.1
+    Version: 2.12.0
     From: 'Apache Software Foundation' (https://www.apache.org/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/apache-commons-pool-2.12.0/dep-coordinates.txt b/doc/licenses/apache-commons-pool-2.12.0/dep-coordinates.txt
new file mode 100644
index 000000000..07edda244
--- /dev/null
+++ b/doc/licenses/apache-commons-pool-2.12.0/dep-coordinates.txt
@@ -0,0 +1 @@
+org.apache.commons:commons-pool2:jar:2.12.0
diff --git a/doc/licenses/apache-mina-2.2.2/dep-coordinates.txt b/doc/licenses/apache-mina-2.2.2/dep-coordinates.txt
deleted file mode 100644
index 5bf57abcf..000000000
--- a/doc/licenses/apache-mina-2.2.2/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-org.apache.mina:mina-core:jar:2.2.2
diff --git a/doc/licenses/apache-mina-2.2.2/NOTICE b/doc/licenses/apache-mina-2.2.3/NOTICE
similarity index 100%
rename from doc/licenses/apache-mina-2.2.2/NOTICE
rename to doc/licenses/apache-mina-2.2.3/NOTICE
diff --git a/doc/licenses/apache-mina-2.2.2/README b/doc/licenses/apache-mina-2.2.3/README
similarity index 90%
rename from doc/licenses/apache-mina-2.2.2/README
rename to doc/licenses/apache-mina-2.2.3/README
index 8fea0f1e9..12b625967 100644
--- a/doc/licenses/apache-mina-2.2.2/README
+++ b/doc/licenses/apache-mina-2.2.3/README
@@ -1,7 +1,7 @@
 Apache Mina (https://mina.apache.org/)
 --------------------------------------
 
-    Version: 2.2.2
+    Version: 2.2.3
     From: 'Apache Software Foundation' (https://www.apache.org/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/apache-mina-2.2.3/dep-coordinates.txt b/doc/licenses/apache-mina-2.2.3/dep-coordinates.txt
new file mode 100644
index 000000000..c2d0321f7
--- /dev/null
+++ b/doc/licenses/apache-mina-2.2.3/dep-coordinates.txt
@@ -0,0 +1 @@
+org.apache.mina:mina-core:jar:2.2.3
diff --git a/doc/licenses/directory-api-2.1.4/dep-coordinates.txt b/doc/licenses/directory-api-2.1.4/dep-coordinates.txt
deleted file mode 100644
index 8d7257210..000000000
--- a/doc/licenses/directory-api-2.1.4/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-org.apache.directory.api:api-all:jar:2.1.4
diff --git a/doc/licenses/directory-api-2.1.4/NOTICE b/doc/licenses/directory-api-2.1.5/NOTICE
similarity index 100%
rename from doc/licenses/directory-api-2.1.4/NOTICE
rename to doc/licenses/directory-api-2.1.5/NOTICE
diff --git a/doc/licenses/directory-api-2.1.4/README b/doc/licenses/directory-api-2.1.5/README
similarity index 91%
rename from doc/licenses/directory-api-2.1.4/README
rename to doc/licenses/directory-api-2.1.5/README
index 1ceaa17b4..666bb5630 100644
--- a/doc/licenses/directory-api-2.1.4/README
+++ b/doc/licenses/directory-api-2.1.5/README
@@ -1,7 +1,7 @@
 Apache Directory LDAP API (http://directory.apache.org)
 -------------------------------------------------------
 
-    Version: 2.1.4
+    Version: 2.1.5
     From: 'Apache Software Foundation' (https://www.apache.org/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/directory-api-2.1.5/dep-coordinates.txt b/doc/licenses/directory-api-2.1.5/dep-coordinates.txt
new file mode 100644
index 000000000..37dc92a9e
--- /dev/null
+++ b/doc/licenses/directory-api-2.1.5/dep-coordinates.txt
@@ -0,0 +1 @@
+org.apache.directory.api:api-all:jar:2.1.5
diff --git a/doc/licenses/snakeyaml-2.0/dep-coordinates.txt b/doc/licenses/snakeyaml-2.0/dep-coordinates.txt
deleted file mode 100644
index bdfaf14fe..000000000
--- a/doc/licenses/snakeyaml-2.0/dep-coordinates.txt
+++ /dev/null
@@ -1 +0,0 @@
-org.yaml:snakeyaml:jar:2.0
diff --git a/doc/licenses/snakeyaml-2.0/README b/doc/licenses/snakeyaml-2.2/README
similarity index 92%
rename from doc/licenses/snakeyaml-2.0/README
rename to doc/licenses/snakeyaml-2.2/README
index 429eb9958..a1ce9461e 100644
--- a/doc/licenses/snakeyaml-2.0/README
+++ b/doc/licenses/snakeyaml-2.2/README
@@ -1,7 +1,7 @@
 SnakeYAML (https://bitbucket.org/snakeyaml/snakeyaml/
 -----------------------------------------------------
 
-    Version: 2.0
+    Version: 2.2
     From: 'Andrey Somov' (https://bitbucket.org/asomov/)
     License(s):
         Apache v2.0
diff --git a/doc/licenses/snakeyaml-2.2/dep-coordinates.txt b/doc/licenses/snakeyaml-2.2/dep-coordinates.txt
new file mode 100644
index 000000000..94464ca33
--- /dev/null
+++ b/doc/licenses/snakeyaml-2.2/dep-coordinates.txt
@@ -0,0 +1 @@
+org.yaml:snakeyaml:jar:2.2
diff --git a/extensions/guacamole-auth-ldap/pom.xml b/extensions/guacamole-auth-ldap/pom.xml
index 1066608fe..2be994ea2 100644
--- a/extensions/guacamole-auth-ldap/pom.xml
+++ b/extensions/guacamole-auth-ldap/pom.xml
@@ -51,8 +51,19 @@
         <dependency>
             <groupId>org.apache.directory.api</groupId>
             <artifactId>api-all</artifactId>
-            <version>2.1.4</version>
+            <version>2.1.5</version>
             <exclusions>
+
+                <!--
+                    Replace slightly older commons-lang3 (3.13.0) with latest
+                    compatible version (3.14.0) so that we don't need two copies
+                    of the same license information.
+                -->
+                <exclusion>
+                    <groupId>org.apache.commons</groupId>
+                    <artifactId>commons-lang3</artifactId>
+                </exclusion>
+
             </exclusions>
         </dependency>
 
@@ -72,6 +83,13 @@
             <artifactId>jackson-dataformat-yaml</artifactId>
         </dependency>
 
+        <!-- Apache Commons Lang (see exclusions for api-all) -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.14.0</version>
+        </dependency>
+
     </dependencies>
 
 </project>
diff --git a/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-cas/pom.xml b/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-cas/pom.xml
index 6acc7aa42..b6b25f767 100644
--- a/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-cas/pom.xml
+++ b/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-cas/pom.xml
@@ -65,6 +65,17 @@
                     <groupId>org.glassfish.jaxb</groupId>
                     <artifactId>jaxb-core</artifactId>
                 </exclusion>
+                
+                <!--
+                    Replace slightly older commons-codec (1.15) with newer
+                    and identical version to that used by Apache Directory API
+                    for LDAP (1.16.0) so that we don't need two copies of the
+                    same license information.
+                -->
+                <exclusion>
+                    <groupId>commons-codec</groupId>
+                    <artifactId>commons-codec</artifactId>
+                </exclusion>
 
             </exclusions>
         </dependency>
@@ -118,6 +129,13 @@
             <version>2.3.1</version>
         </dependency>
 
+        <!-- Apache Commons Codec (see exclusions for cas-client-core) -->
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.16.0</version>
+        </dependency>
+
     </dependencies>
 
 </project>
diff --git a/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/pom.xml b/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/pom.xml
index 158632136..c9fa5d20c 100644
--- a/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/pom.xml
+++ b/extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/pom.xml
@@ -94,21 +94,70 @@
                     <artifactId>xmlsec</artifactId>
                 </exclusion>
 
+                <!--
+                    Replace slightly older commons-lang3 (3.12.0) with latest
+                    compatible version (3.14.0) so that we don't need two copies
+                    of the same license information.
+                -->
+                <exclusion>
+                    <groupId>org.apache.commons</groupId>
+                    <artifactId>commons-lang3</artifactId>
+                </exclusion>
+
+                <!--
+                    Replace slightly older commons-codec (1.15) with newer
+                    and identical version to that used by Apache Directory API
+                    for LDAP (1.16.0) so that we don't need two copies of the
+                    same license information.
+                -->
+                <exclusion>
+                    <groupId>commons-codec</groupId>
+                    <artifactId>commons-codec</artifactId>
+                </exclusion>
+
             </exclusions>
         </dependency>
 
-        <!-- Woodstox -->
+        <!-- Woodstox (see exclusions for java-saml) -->
         <dependency>
             <groupId>com.fasterxml.woodstox</groupId>
             <artifactId>woodstox-core</artifactId>
             <version>5.4.0</version>
         </dependency>
 
-        <!-- Apache XML Security for Java -->
+        <!-- Apache XML Security for Java (see exclusions for java-saml) -->
         <dependency>
             <groupId>org.apache.santuario</groupId>
             <artifactId>xmlsec</artifactId>
             <version>2.2.6</version>
+            <exclusions>
+
+                <!--
+                    Replace slightly older commons-codec (1.15) with newer
+                    and identical version to that used by Apache Directory API
+                    for LDAP (1.16.0) so that we don't need two copies of the
+                    same license information.
+                -->
+                <exclusion>
+                    <groupId>commons-codec</groupId>
+                    <artifactId>commons-codec</artifactId>
+                </exclusion>
+
+            </exclusions>
+        </dependency>
+
+        <!-- Apache Commons Lang (see exclusions for java-saml) -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.14.0</version>
+        </dependency>
+
+        <!-- Apache Commons Codec (see exclusions for java-saml and xmlsec) -->
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.16.0</version>
         </dependency>
 
     </dependencies>