diff --git a/debian/control b/debian/control
index 5b5ba2aa..9c10cc80 100644
--- a/debian/control
+++ b/debian/control
@@ -36,7 +36,7 @@ Description: The Common Error Description library
 Package: comerr-dev
 Section: libdevel
 Priority: extra
-Depends: libc6-dev | libc-dev, libcomerr2
+Depends: libc6-dev | libc-dev, libcomerr2 (= ${Source-Version})
 Suggests: doc-base
 Replaces: e2fslibs-dev (<< 1.33-2), libkrb5-dev (<< 1.3)
 Architecture: any
@@ -63,7 +63,7 @@ Description: Command-line interface parsing library
 Package: ss-dev
 Section: libdevel
 Priority: extra
-Depends: libc6-dev | libc-dev, libss2
+Depends: libc6-dev | libc-dev, libss2 (= ${Source-Version})
 Architecture: any
 Description: Command-line interface parsing library - headers and static libraries
  This package includes a tool that parses a command table to generate