diff --git a/src/github/operations/branch.ts b/src/github/operations/branch.ts
index e02e884..6726fb6 100644
--- a/src/github/operations/branch.ts
+++ b/src/github/operations/branch.ts
@@ -52,7 +52,7 @@ export async function setupBranch(
       );
 
       // Check out the base branch and let Claude create branches as needed
-      await $`git fetch origin ${sourceBranch}`;
+      await $`git fetch origin --depth=1 ${sourceBranch}`;
       await $`git checkout ${sourceBranch}`;
       await $`git pull origin ${sourceBranch}`;
 
@@ -99,7 +99,7 @@ export async function setupBranch(
 
     // Ensure we have the latest version of the source branch
     console.log(`Fetching latest ${sourceBranch}...`);
-    await $`git fetch origin ${sourceBranch}`;
+    await $`git fetch origin --depth=1 ${sourceBranch}`;
 
     // Checkout the source branch
     console.log(`Checking out ${sourceBranch}...`);
diff --git a/src/github/utils/local-git.ts b/src/github/utils/local-git.ts
index 2b36f2b..188d33c 100644
--- a/src/github/utils/local-git.ts
+++ b/src/github/utils/local-git.ts
@@ -85,7 +85,7 @@ export async function branchHasChanges(
  */
 export async function fetchBranch(branchName: string): Promise<boolean> {
   try {
-    await $`git fetch origin ${branchName}`;
+    await $`git fetch origin --depth=1 ${branchName}`;
     return true;
   } catch (error) {
     console.log(