diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index ef47d4dca..9aa952e45 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -85,7 +85,7 @@ jobs:
       - name: Get iverilog
         shell: bash
         run: |
-          git clone git://github.com/steveicarus/iverilog.git
+          git clone https://github.com/steveicarus/iverilog.git
 
       - name: Cache iverilog
         id: cache-iverilog
diff --git a/.github/workflows/test-macos.yml b/.github/workflows/test-macos.yml
index 8a7804907..c25fb1e7e 100644
--- a/.github/workflows/test-macos.yml
+++ b/.github/workflows/test-macos.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Get iverilog
         shell: bash
         run: |
-          git clone git://github.com/steveicarus/iverilog.git
+          git clone https://github.com/steveicarus/iverilog.git
 
       - name: Cache iverilog
         id: cache-iverilog