diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index 6cc40fb638..856e2358dd 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -193,7 +193,7 @@ RUN install-tool pdm 2.25.9
 # renovate: datasource=pypi
 RUN install-tool poetry 2.2.1
 # renovate: datasource=pypi
-RUN install-tool uv 0.8.20
+RUN install-tool uv 0.8.21
 
 #--------------------------------------
 # Image: test-ruby
diff --git a/test/python/Dockerfile.arm64 b/test/python/Dockerfile.arm64
index cbca21ed40..2c7fadf60f 100644
--- a/test/python/Dockerfile.arm64
+++ b/test/python/Dockerfile.arm64
@@ -95,7 +95,7 @@ RUN install-tool copier 9.10.2
 FROM test-python AS test-uv
 
 # renovate: datasource=pypi
-RUN install-tool uv 0.8.20
+RUN install-tool uv 0.8.21
 
 #--------------------------------------
 # Image: final