diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 90ec55f74..390abfdd9 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -19,6 +19,10 @@ updates:
     directory: "/"
     schedule:
       interval: "quarterly"
+    ignore:
+      # Groovy 5.x requires Java 11, while Commons SCXML 2.0 targets Java 8.
+      - dependency-name: "org.apache.groovy:groovy"
+        update-types: ["version-update:semver-major"]
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
diff --git a/pom.xml b/pom.xml
index 4f94d0654..92ae785b6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,7 +168,7 @@
     <dependency>
       <groupId>org.apache.groovy</groupId>
       <artifactId>groovy</artifactId>
-      <version>4.0.32</version>
+      <version>4.0.33</version>
       <optional>true</optional>
     </dependency>
     <dependency>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index ccd115846..4110d4c65 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -276,7 +276,7 @@
       <action type="update" dev="ggregory" due-to="Dependabot">Bump junit-jupiter-api from 5.4.2 to 5.9.1 #32, #70.</action>
       <action type="update" dev="ggregory" due-to="Dependabot">Bump junit-jupiter-engine from 5.4.2 to 5.9.1 #40, #68.</action>
       <action type="update" dev="ggregory" due-to="Dependabot">Bump nashorn-core from 15.3 to 15.7 #52, #296, #344.</action>
-      <action type="update" dev="ggregory" due-to="Dependabot">Replace Codehaus Groovy 3.0.24 with Apache Groovy 4.0.32 #329.</action>
+      <action type="update" dev="ggregory" due-to="Dependabot">Replace Codehaus Groovy 3.0.24 with Apache Groovy 4.0.33 #394.</action>
     </release>
 
     <release version="1.0" date="In SVN branch"