diff --git a/.github/workflows/dart_ci.yml b/.github/workflows/dart_ci.yml
index f3869d15..ecc23a0f 100644
--- a/.github/workflows/dart_ci.yml
+++ b/.github/workflows/dart_ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [ 2.18.7, stable ]
+        sdk: [ 2.18.7, 2.19.6 ]
     steps:
       - uses: actions/checkout@v2
       - uses: dart-lang/setup-dart@v1
diff --git a/w_common/pubspec.yaml b/w_common/pubspec.yaml
index 260d3b7d..ffad02bb 100644
--- a/w_common/pubspec.yaml
+++ b/w_common/pubspec.yaml
@@ -18,7 +18,7 @@ dev_dependencies:
   build_web_compilers: ^3.0.0
   dependency_validator: ^3.0.0
   mockito: ^5.4.0
-  test: ^1.16.2
+  test: ^1.21.1
   workiva_analysis_options: ^1.0.0
 
 dependency_validator:
diff --git a/w_common_tools/pubspec.yaml b/w_common_tools/pubspec.yaml
index df3f4d03..08ea28d9 100644
--- a/w_common_tools/pubspec.yaml
+++ b/w_common_tools/pubspec.yaml
@@ -22,8 +22,8 @@ dev_dependencies:
   build_test: ^2.0.0
   build_web_compilers: '>=2.16.5 <4.0.0'
   dependency_validator: ^3.0.0
-  mockito: '>=5.0.0 <5.3.0' # pin to workaround https://github.com/dart-lang/mockito/issues/552
-  test: ^1.16.2
+  mockito: ^5.3.2
+  test: ^1.21.1
   workiva_analysis_options: ^1.0.0
 
 dependency_validator: