diff --git a/_dev/tris-localserver/Dockerfile b/_dev/tris-localserver/Dockerfile
index c2de2c5..3c7bd04 100644
--- a/_dev/tris-localserver/Dockerfile
+++ b/_dev/tris-localserver/Dockerfile
@@ -1,4 +1,4 @@
-FROM scratch
+FROM buildpack-deps
 
 ENV TLSDEBUG error
 
diff --git a/_dev/tris-testclient/Dockerfile b/_dev/tris-testclient/Dockerfile
index c4ef2fb..8e9e050 100644
--- a/_dev/tris-testclient/Dockerfile
+++ b/_dev/tris-testclient/Dockerfile
@@ -1,4 +1,4 @@
-FROM scratch
+FROM buildpack-deps
 
 ENV TLSDEBUG error