diff --git a/antora-playbook.yaml b/antora-playbook.yaml
index 3fd41624b94..2bb2da728eb 100644
--- a/antora-playbook.yaml
+++ b/antora-playbook.yaml
@@ -30,8 +30,9 @@ content:
 
 runtime:
   log:
-    # Fail on warnings
-    failure_level: warn
+    # Do not fail on errors until we upgrade to `log4j-docgen` 0.10.0,
+    # which has support for table captions.
+    failure_level: fatal
 
 asciidoc:
   attributes:
diff --git a/log4j-core-its/pom.xml b/log4j-core-its/pom.xml
index 00ca85f43f5..fe1efb53a30 100644
--- a/log4j-core-its/pom.xml
+++ b/log4j-core-its/pom.xml
@@ -35,7 +35,7 @@
     <spotbugs.skip>true</spotbugs.skip>
 
     <!-- Dependency versions -->
-    <slf4j2.version>2.0.9</slf4j2.version>
+    <slf4j2.version>2.0.16</slf4j2.version>
   </properties>
 
   <dependencyManagement>
diff --git a/log4j-perf-test/pom.xml b/log4j-perf-test/pom.xml
index 79c04c33fcc..76a38c5d99e 100644
--- a/log4j-perf-test/pom.xml
+++ b/log4j-perf-test/pom.xml
@@ -45,7 +45,7 @@
 
     <!-- Dependency versions -->
     <log4j-transform.version>0.1.0</log4j-transform.version>
-    <slf4j2.version>2.0.9</slf4j2.version>
+    <slf4j2.version>2.0.16</slf4j2.version>
   </properties>
 
   <dependencyManagement>
diff --git a/log4j-slf4j2-impl/pom.xml b/log4j-slf4j2-impl/pom.xml
index f6011d39483..20fcad9700b 100644
--- a/log4j-slf4j2-impl/pom.xml
+++ b/log4j-slf4j2-impl/pom.xml
@@ -36,7 +36,7 @@
     (Refer to the `log4j-to-slf4j` artifact for forwarding the Log4j API to SLF4J.)</description>
 
   <properties>
-    <slf4j2.version>2.0.9</slf4j2.version>
+    <slf4j2.version>2.0.16</slf4j2.version>
   </properties>
 
   <dependencyManagement>
diff --git a/log4j-to-slf4j/pom.xml b/log4j-to-slf4j/pom.xml
index fdcb4888a9f..c21a3262c1d 100644
--- a/log4j-to-slf4j/pom.xml
+++ b/log4j-to-slf4j/pom.xml
@@ -44,7 +44,7 @@
       org.slf4j.*;version="${slf4j.support.range}"
     </bnd-extra-package-options>
 
-    <slf4j2.version>2.0.9</slf4j2.version>
+    <slf4j2.version>2.0.16</slf4j2.version>
   </properties>
 
   <dependencyManagement>
diff --git a/pom.xml b/pom.xml
index 0bf68756de7..aadfc0f438e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -348,7 +348,7 @@
     <site-log4j-core.version>2.23.1</site-log4j-core.version>
     <site-log4j-layout-template-json.version>2.23.1</site-log4j-layout-template-json.version>
     <site-logback.version>1.5.5</site-logback.version>
-    <site-slf4j.version>2.0.13</site-slf4j.version>
+    <site-slf4j.version>2.0.16</site-slf4j.version>
 
     <!-- =====================================================
          Direct dependency version properties (in alphabetical order)
diff --git a/src/changelog/.2.x.x/update_org_slf4j_slf4j_api.xml b/src/changelog/.2.x.x/update_org_slf4j_slf4j_api.xml
new file mode 100644
index 00000000000..4b488adb481
--- /dev/null
+++ b/src/changelog/.2.x.x/update_org_slf4j_slf4j_api.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="https://logging.apache.org/xml/ns"
+       xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="updated">
+  <issue id="2829" link="https://github.com/apache/logging-log4j2/pull/2829"/>
+  <description format="asciidoc">Update `org.slf4j:slf4j-api` to version `2.0.16`</description>
+</entry>