diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9668bcb8..99a58a47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Prefix your items with `(Template)` if the change is about the template and not
 
 ## 3.2.X
 - Added support for mouse back button navigation.
+- Set `fetchDepth` to 0 on canary merge CI to avoid `refusing to merge unrelated histories` errors.
 
 ## 3.1.X
 - Updated to .NET 8.
diff --git a/build/canary-merge.yml b/build/canary-merge.yml
index 8bf2da1b..ecbbe09b 100644
--- a/build/canary-merge.yml
+++ b/build/canary-merge.yml
@@ -20,6 +20,7 @@ variables:
 steps:
 - checkout: self
   clean: true
+  fetchDepth: 0
   persistCredentials: true
 
 - task: UseDotNet@2