diff --git a/action.yml b/action.yml
index 44875f0d..716d06cf 100644
--- a/action.yml
+++ b/action.yml
@@ -157,7 +157,7 @@ outputs:
 
 runs:
   using: 'docker'
-  image: 'docker://ghcr.io/enricomi/publish-unit-test-result-action:v2.20.0'
+  image: 'docker://ghcr.io/enricomi/publish-unit-test-result-action:v2.21.0'
 
 branding:
   icon: 'check-circle'
diff --git a/docker/action.yml b/docker/action.yml
index 19eb5d8e..98c74ea8 100644
--- a/docker/action.yml
+++ b/docker/action.yml
@@ -163,7 +163,7 @@ inputs:
     required: false
   docker_tag:
     description: 'The docker tag to pull the pre-built action from.'
-    default: 'v2.20.0'
+    default: 'v2.21.0'
     required: false
 
 outputs:
diff --git a/python/publish/__init__.py b/python/publish/__init__.py
index d9ade2ec..a04869a6 100644
--- a/python/publish/__init__.py
+++ b/python/publish/__init__.py
@@ -11,7 +11,7 @@
     UnitTestRunDeltaResults, UnitTestRunResultsOrDeltaResults, ParseError
 
 # keep the version in sync with action.yml and docker/action.yml
-__version__ = 'v2.20.0'
+__version__ = 'v2.21.0'
 
 logger = logging.getLogger('publish')
 digest_prefix = '[test-results]:data:'