diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 11875b6..bcd178e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -51,11 +51,6 @@ jobs:
       - name: Install Mage
         run: go install github.com/magefile/mage@v1.15
 
-      - name: Installing quicktype
-        run: |
-          yarn global add quicktype@23
-          echo "$(yarn global bin)" >> $GITHUB_PATH
-
       - name: Build
         run: |
           mage -v build:${{ matrix.target }} ${{ matrix.schema }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index f1995ad..a933a6f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -66,11 +66,6 @@ jobs:
       - name: Install Mage
         run: go install github.com/magefile/mage@v1.15
 
-      - name: Installing quicktype
-        run: |
-          yarn global add quicktype@23
-          echo "$(yarn global bin)" >> $GITHUB_PATH
-
       - name: Publish
         run: |
           mage -v publish:ts ${{ matrix.schema }} $GITHUB_REF
diff --git a/.github/workflows/update-schema.yml b/.github/workflows/update-schema.yml
index 5a24b6a..54766a7 100644
--- a/.github/workflows/update-schema.yml
+++ b/.github/workflows/update-schema.yml
@@ -122,11 +122,6 @@ jobs:
       - name: Install Mage
         run: go install github.com/magefile/mage@v1.15
 
-      - name: Installing quicktype
-        run: |
-          yarn global add quicktype@23
-          echo "$(yarn global bin)" >> $GITHUB_PATH
-
       - name: Build
         run: |
           mage -v build:${{ matrix.target }} ${{ matrix.schema }}
diff --git a/magefiles/utils.go b/magefiles/utils.go
index ee6dca5..e32d985 100644
--- a/magefiles/utils.go
+++ b/magefiles/utils.go
@@ -125,13 +125,6 @@ func ensureTsCodegen() {
 	}
 }
 
-// EnsureQuicktype ensures that quicktype is installed, if not it panics.
-func ensureQuicktype() {
-	if err := sh.Run("quicktype", "--help"); err != nil {
-		panic("quicktype is not installed")
-	}
-}
-
 // EnsureYarn ensures that yarn is installed, if not it panics.
 func ensureYarn() {
 	if err := sh.Run("yarn", "--help"); err != nil {
@@ -146,7 +139,7 @@ func ensureGoCodegen() {
 	}
 
 	fmt.Printf("🔨 Installing go-codegen...\n")
-	if err := sh.Run("go", "install", "github.com/srdtrk/go-codegen@0.2.5"); err != nil {
+	if err := sh.Run("go", "install", "github.com/srdtrk/go-codegen@v0.2.5"); err != nil {
 		panic(fmt.Sprintf("failed to install go-codegen: %v", err))
 	}
 }