diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 85b0ce5f..94c8eb6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -131,6 +131,11 @@ jobs:
           # Note: libabsl-dev removed - gRPC uses bundled Abseil via FetchContent when enabled
         elif [[ "${{ runner.os }}" == "macOS" ]]; then
           brew install ninja pkg-config
+        elif [[ "${{ runner.os }}" == "Windows" ]]; then
+          # Install NASM for BoringSSL (required by gRPC)
+          choco install nasm -y
+          # Add NASM to PATH for this session
+          echo "C:\Program Files\NASM" >> $GITHUB_PATH
         fi
     
     - name: Retry Dependencies (if failed)
@@ -153,6 +158,9 @@ jobs:
         elif [[ "${{ runner.os }}" == "macOS" ]]; then
           brew update
           brew install ninja pkg-config
+        elif [[ "${{ runner.os }}" == "Windows" ]]; then
+          choco install nasm -y --force
+          echo "C:\Program Files\NASM" >> $GITHUB_PATH
         fi
 
     - name: Free Disk Space (Linux)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index de53e205..c0e20bed 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -197,6 +197,11 @@ jobs:
             # Note: libabsl-dev removed - gRPC uses bundled Abseil via FetchContent when enabled
           elif [[ "${{ runner.os }}" == "macOS" ]]; then
             brew install ninja cmake pkg-config
+          elif [[ "${{ runner.os }}" == "Windows" ]]; then
+            # Install NASM for BoringSSL (required by gRPC)
+            choco install nasm -y
+            # Add NASM to PATH for this session
+            echo "C:\Program Files\NASM" >> $GITHUB_PATH
           fi
 
       - name: "Retry Dependencies (if failed)"
@@ -217,6 +222,9 @@ jobs:
           elif [[ "${{ runner.os }}" == "macOS" ]]; then
             brew update
             brew install ninja cmake pkg-config
+          elif [[ "${{ runner.os }}" == "Windows" ]]; then
+            choco install nasm -y --force
+            echo "C:\Program Files\NASM" >> $GITHUB_PATH
           fi
 
       - name: "Configure (Windows)"