diff --git a/build-docker.sh b/build-docker.sh
index c8fab5e..59010ef 100755
--- a/build-docker.sh
+++ b/build-docker.sh
@@ -2,7 +2,7 @@
 
 set -eu
 
-version=$( git describe --match v* --abbrev=0 )
+version=$( tools/get-version )
 imagename=stowtest
 image=$imagename:$version
 
diff --git a/test-docker.sh b/test-docker.sh
index 81e820e..f10456d 100755
--- a/test-docker.sh
+++ b/test-docker.sh
@@ -3,6 +3,6 @@
 # Test Stow across multiple Perl versions, by executing the
 # Docker image built via build-docker.sh.
 
-version=$( git describe --match v* --abbrev=0 )
+version=$( tools/get-version )
 
 docker run --rm -it -v $(pwd):$(pwd) -w $(pwd) stowtest:$version