diff --git a/ci/elixir-1.15-otp25/Dockerfile b/ci/elixir-1.15-otp25/Dockerfile
index ff3a54fc5..3335c6e36 100644
--- a/ci/elixir-1.15-otp25/Dockerfile
+++ b/ci/elixir-1.15-otp25/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.15.7
+FROM elixir:1.15.7-otp-25
 
 # Single RUN statement, otherwise intermediate images are created
 # https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#run