diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 45aada9..c644f63 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ stages:
     - build
     - test
 
-build_buster:
+build:buster:
     stage: build
     image: debian:buster
     before_script:
@@ -15,7 +15,7 @@ build_buster:
             - src/genkey
             - src/libexim-encrypt-dlfunc.so
 
-build_bullseye:
+build:bullseye:
     stage: build
     image: debian:bullseye
     before_script:
@@ -28,8 +28,20 @@ build_bullseye:
             - src/genkey
             - src/libexim-encrypt-dlfunc.so
 
-test:
+test:buster:
     stage: test
+    needs: ["build:buster"]
+    image: debian:buster
+    before_script:
+        - apt-get update && apt-get install -y exim4-daemon-heavy openssl
+    script:
+        - cd src
+        - ./simple_exim_test.sh
+
+test:bullseye:
+    stage: test
+    needs: ["build:bullseye"]
+    image: debian:bullseye
     before_script:
         - apt-get update && apt-get install -y exim4-daemon-heavy openssl
     script: