diff --git a/src/lib/protect/apply-patch.js b/src/lib/protect/apply-patch.ts
similarity index 100%
rename from src/lib/protect/apply-patch.js
rename to src/lib/protect/apply-patch.ts
diff --git a/src/lib/protect/dedupe-patches.js b/src/lib/protect/dedupe-patches.ts
similarity index 100%
rename from src/lib/protect/dedupe-patches.js
rename to src/lib/protect/dedupe-patches.ts
diff --git a/src/lib/protect/get-vuln-source.js b/src/lib/protect/get-vuln-source.ts
similarity index 100%
rename from src/lib/protect/get-vuln-source.js
rename to src/lib/protect/get-vuln-source.ts
diff --git a/src/lib/protect/ignore.js b/src/lib/protect/ignore.ts
similarity index 100%
rename from src/lib/protect/ignore.js
rename to src/lib/protect/ignore.ts
diff --git a/src/lib/protect/index.js b/src/lib/protect/index.ts
similarity index 100%
rename from src/lib/protect/index.js
rename to src/lib/protect/index.ts
diff --git a/src/lib/protect/patch.js b/src/lib/protect/patch.ts
similarity index 100%
rename from src/lib/protect/patch.js
rename to src/lib/protect/patch.ts
diff --git a/src/lib/protect/patches-for-package.js b/src/lib/protect/patches-for-package.ts
similarity index 100%
rename from src/lib/protect/patches-for-package.js
rename to src/lib/protect/patches-for-package.ts
diff --git a/src/lib/protect/strip-versions.js b/src/lib/protect/strip-versions.ts
similarity index 100%
rename from src/lib/protect/strip-versions.js
rename to src/lib/protect/strip-versions.ts
diff --git a/src/lib/protect/update.js b/src/lib/protect/update.ts
similarity index 100%
rename from src/lib/protect/update.js
rename to src/lib/protect/update.ts
diff --git a/src/lib/protect/write-patch-flag.js b/src/lib/protect/write-patch-flag.ts
similarity index 100%
rename from src/lib/protect/write-patch-flag.js
rename to src/lib/protect/write-patch-flag.ts