diff --git a/.woodpecker/test.yml b/.woodpecker/test.yml
index 5791f99c6..7c454175c 100644
--- a/.woodpecker/test.yml
+++ b/.woodpecker/test.yml
@@ -77,7 +77,7 @@ pipeline:
     - mix format --check-formatted
 
   build:
-    image: akkoma/ci-base:${ELIXIR_VERSION}
+    image: akkoma/ci-base:${ELIXIR_VERSION}-${OTP_VERSION}
     <<: *on-pr-open
     environment:
       MIX_ENV: test
@@ -92,7 +92,7 @@ pipeline:
       - mix compile
 
   test:
-    image: akkoma/ci-base:${ELIXIR_VERSION}
+    image: akkoma/ci-base:${ELIXIR_VERSION}-${OTP_VERSION}
     <<: *on-pr-open
     environment:
       MIX_ENV: test