diff --git a/checksum.xml b/checksum.xml
index 9b5bbf4ab28..b6e6172bd21 100644
--- a/checksum.xml
+++ b/checksum.xml
@@ -60,6 +60,7 @@
     <trusted-key id='aa49c633b4734832' group='com.pinterest.ktlint' />
     <trusted-key id='1063fe98bcecb758' group='com.puppycrawl.tools' />
     <trusted-key id='6425559c47cc79c4' group='com.sun.activation' />
+    <trusted-key id='d908a43fb7ec07ac' group='com.sun.activation' />
     <trusted-key id='1b2718089ce964b8' group='com.thoughtworks.qdox' />
     <trusted-key id='602ec18d20c4661c' group='com.thoughtworks.xstream' />
     <trusted-key id='1861c322c56014b2' group='commons-beanutils' />
@@ -91,6 +92,7 @@
     <trusted-key id='a6ea2e2bf22e0543' group='io.github.java-diff-utils' />
     <trusted-key id='67631bc0568801c3' group='io.github.microutils' />
     <trusted-key id='602ec18d20c4661c' group='io.github.x-stream' />
+    <trusted-key id='d908a43fb7ec07ac' group='jakarta.activation' />
     <trusted-key id='6425559c47cc79c4' group='javax.activation' />
     <trusted-key id='6425559c47cc79c4' group='javax.mail' />
     <trusted-key id='6425559c47cc79c4' group='javax.servlet' />
diff --git a/gradle.properties b/gradle.properties
index 4c810271a8b..b325cd9d96e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -100,7 +100,7 @@ httpcore.version=4.4.15
 httpmime.version=4.5.13
 jackson.version=2.13.3
 jackson-databind.version=2.13.2.2
-javax.activation.version=1.2.0
+jakarta.activation.version=1.2.2
 jcharts.version=0.7.5
 jdom.version=1.1.3
 jetbrains-annotations.version=23.0.0
diff --git a/src/bom/build.gradle.kts b/src/bom/build.gradle.kts
index 79e4e4c548f..651ca8d13d6 100644
--- a/src/bom/build.gradle.kts
+++ b/src/bom/build.gradle.kts
@@ -85,7 +85,7 @@ dependencies {
         apiv("com.jayway.jsonpath:json-path")
         apiv("com.miglayout:miglayout-core", "miglayout")
         apiv("com.miglayout:miglayout-swing", "miglayout")
-        apiv("com.sun.activation:javax.activation", "javax.activation")
+        apiv("com.sun.activation:jakarta.activation", "jakarta.activation")
         apiv("com.thoughtworks.xstream:xstream")
         apiv("commons-codec:commons-codec")
         apiv("commons-collections:commons-collections")
@@ -96,7 +96,7 @@ dependencies {
         apiv("dnsjava:dnsjava")
         apiv("io.burt:jmespath-core")
         apiv("io.burt:jmespath-jackson")
-        apiv("javax.activation:javax.activation-api", "javax.activation")
+        apiv("jakarta.activation:jakarta.activation-api", "jakarta.activation")
         apiv("javax.mail:mail")
         apiv("jcharts:jcharts")
         apiv("junit:junit", "junit4")
diff --git a/src/components/build.gradle.kts b/src/components/build.gradle.kts
index 2d1bdb5dac3..f5ccf9a8029 100644
--- a/src/components/build.gradle.kts
+++ b/src/components/build.gradle.kts
@@ -32,11 +32,11 @@ dependencies {
     api("javax.mail:mail") {
         exclude("javax.activation", "activation")
     }
-    // There's no javax.activation:activation:1.2.0, so we use com.sun...
-    runtimeOnly("com.sun.activation:javax.activation")
+    // The runtime dependency for jakarta.activation is different from the compile time
+    runtimeOnly("com.sun.activation:jakarta.activation")
     // This is an API-only jar. javax.activation is present in Java 8,
     // however it is not there in Java 9
-    compileOnly("javax.activation:javax.activation-api")
+    compileOnly("jakarta.activation:jakarta.activation-api")
     implementation("com.github.ben-manes.caffeine:caffeine")
     implementation("io.burt:jmespath-core")
     implementation("io.burt:jmespath-jackson")
diff --git a/src/dist/src/dist/expected_release_jars.csv b/src/dist/src/dist/expected_release_jars.csv
index be292924c50..0cc9843e54f 100644
--- a/src/dist/src/dist/expected_release_jars.csv
+++ b/src/dist/src/dist/expected_release_jars.csv
@@ -72,7 +72,7 @@
 75714,jackson-annotations-2.13.3.jar
 374895,jackson-core-2.13.3.jar
 1536542,jackson-databind-2.13.3.jar
-78030,javax.activation-1.2.0.jar
+68453,jakarta.activation-1.2.2.jar
 142391,jcharts-0.7.5.jar
 16555,jcl-over-slf4j-1.7.36.jar
 490571,jmespath-core-0.5.1.jar
diff --git a/src/protocol/build.gradle.kts b/src/protocol/build.gradle.kts
index acedf564141..a23c5c3894f 100644
--- a/src/protocol/build.gradle.kts
+++ b/src/protocol/build.gradle.kts
@@ -53,7 +53,7 @@ project("http") {
             because("HTTPResultConverter uses XStream in public API")
         }
 
-        compileOnly("javax.activation:javax.activation-api") {
+        compileOnly("jakarta.activation:jakarta.activation-api") {
             because("ParseCurlCommandAction uses new MimetypesFileTypeMap()")
         }
 
@@ -177,11 +177,11 @@ project("mail") {
         api("javax.mail:mail") {
             exclude("javax.activation", "activation")
         }
-        // There's no javax.activation:activation:1.2.0, so we use com.sun...
-        runtimeOnly("com.sun.activation:javax.activation")
+        // Runtime dependency is different from compile time
+        runtimeOnly("com.sun.activation:jakarta.activation")
         // This is an API-only jar. javax.activation is present in Java 8,
         // however it is not there in Java 9
-        compileOnly("javax.activation:javax.activation-api")
+        compileOnly("jakarta.activation:jakarta.activation-api")
         implementation("org.apache.commons:commons-lang3") {
             because("StringUtils")
         }
diff --git a/xdocs/changes.xml b/xdocs/changes.xml
index 19b13dceb0b..319a7f13bcc 100644
--- a/xdocs/changes.xml
+++ b/xdocs/changes.xml
@@ -105,6 +105,7 @@ Summary
   <li><pr>5710</pr>Add GitHub Issue templates</li>
   <li><pr>5713</pr>Update Spock to 2.2-groovy-3.0 (from 2.1-groovy-3.0)</li>
   <li><issue>5718</issue>Update Apache commons-text to 1.10.0 (from 1.9)</li>
+  <li><pr>5721</pr><issue>5720</issue>Replace <code>javax.activation</code> 1.2.0 with <code>jakarta.activation</code> 1.2.2</li>
 </ul>
 
  <!-- =================== Bug fixes =================== -->