diff --git a/.travis.yml b/.travis.yml
index b7be744fff..5423e58dc6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ services: docker
 env:
   - VERSION=9.6
   - VERSION=9.5
+  - VERSION=9.5 VARIANT=alpine
   - VERSION=9.4
   - VERSION=9.3
   - VERSION=9.2
@@ -13,8 +14,8 @@ install:
 
 before_script:
   - env | sort
-  - cd "$VERSION"
-  - image="postgres:$VERSION"
+  - cd "$VERSION/$VARIANT"
+  - image="postgres:${VERSION}${VARIANT:+-${VARIANT}}"
 
 script:
   - docker build -t "$image" .