diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+# Since 1.0.7
+
+* Fix stack.yaml to use Diff 0.4 as well
+
 # Since 1.0.6
 
 * Upgrade Diff dependency to 0.4
diff --git a/git-mediate.cabal b/git-mediate.cabal
--- a/git-mediate.cabal
+++ b/git-mediate.cabal
@@ -2,7 +2,7 @@
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                git-mediate
-version:             1.0.7
+version:             1.0.8
 synopsis:            Tool to help resolving git conflicts
 description:         Git conflict resolution has never been easier
                      .
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,5 +1,6 @@
 flags: {}
 packages:
 - '.'
-extra-deps: []
+extra-deps:
+- Diff-0.4.0
 resolver: lts-14.6