diff --git a/tools/ci/requirements_tc.txt b/tools/ci/requirements_tc.txt
index a1f007a9a16159..4684198a5b225d 100644
--- a/tools/ci/requirements_tc.txt
+++ b/tools/ci/requirements_tc.txt
@@ -3,4 +3,4 @@ pyyaml==6.0.1
 types-pyyaml==6.0.12.20241230
 requests==2.32.3
 types-requests==2.32.0.20241016
-taskcluster==97.0.1
+taskcluster==100.3.0
diff --git a/tools/requirements_tests.txt b/tools/requirements_tests.txt
index b074843fe237c5..a1d08a2f67f430 100644
--- a/tools/requirements_tests.txt
+++ b/tools/requirements_tests.txt
@@ -4,5 +4,5 @@ jsonschema==4.25.1; python_version >= '3.9'
 jsonschema==4.23.0; python_version < '3.9'
 pyyaml==6.0.1
 types-pyyaml==6.0.12.20241230
-taskcluster==97.0.1
+taskcluster==100.3.0
 mozterm==1.0.0