diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index e42057a2..5145fc85 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -41,6 +41,10 @@ jobs:
         if: matrix.target.os == 'ubuntu-latest'
         run: ./scripts/free-disk-space.sh
 
+      - name: Setup mold linker
+        if: matrix.target.os == 'ubuntu-latest'
+        uses: rui314/setup-mold@v1
+
       - name: Install nasm
         if: matrix.target.os == 'windows-latest'
         uses: ilammy/setup-nasm@v1.5.1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a96b25b..ebe55c0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,6 +50,10 @@ jobs:
         if: matrix.target.os == 'ubuntu-latest'
         run: ./scripts/free-disk-space.sh
 
+      - name: Setup mold linker
+        if: matrix.target.os == 'ubuntu-latest'
+        uses: rui314/setup-mold@v1
+        
       - name: Install nasm
         if: matrix.target.os == 'windows-latest'
         uses: ilammy/setup-nasm@v1.5.1