diff --git a/dist/index.js b/dist/index.js
index f91dadb1..b5e8d9c0 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -44,10 +44,10 @@ function getInputs() {
         return {
             gpgPrivateKey: core.getInput('gpg-private-key', { required: true }),
             passphrase: core.getInput('passphrase'),
-            gitUserSigningkey: /true/i.test(core.getInput('git-user-signingkey')),
-            gitCommitGpgsign: /true/i.test(core.getInput('git-commit-gpgsign')),
-            gitTagGpgsign: /true/i.test(core.getInput('git-tag-gpgsign')),
-            gitPushGpgsign: /true/i.test(core.getInput('git-push-gpgsign')),
+            gitUserSigningkey: core.getBooleanInput('git-user-signingkey'),
+            gitCommitGpgsign: core.getBooleanInput('git-commit-gpgsign'),
+            gitTagGpgsign: core.getBooleanInput('git-tag-gpgsign'),
+            gitPushGpgsign: core.getBooleanInput('git-push-gpgsign'),
             gitCommitterName: core.getInput('git-committer-name'),
             gitCommitterEmail: core.getInput('git-committer-email'),
             workdir: core.getInput('workdir') || '.'
diff --git a/src/context.ts b/src/context.ts
index 8b80e1c7..e309e34d 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -17,10 +17,10 @@ export async function getInputs(): Promise<Inputs> {
   return {
     gpgPrivateKey: core.getInput('gpg-private-key', {required: true}),
     passphrase: core.getInput('passphrase'),
-    gitUserSigningkey: /true/i.test(core.getInput('git-user-signingkey')),
-    gitCommitGpgsign: /true/i.test(core.getInput('git-commit-gpgsign')),
-    gitTagGpgsign: /true/i.test(core.getInput('git-tag-gpgsign')),
-    gitPushGpgsign: /true/i.test(core.getInput('git-push-gpgsign')),
+    gitUserSigningkey: core.getBooleanInput('git-user-signingkey'),
+    gitCommitGpgsign: core.getBooleanInput('git-commit-gpgsign'),
+    gitTagGpgsign: core.getBooleanInput('git-tag-gpgsign'),
+    gitPushGpgsign: core.getBooleanInput('git-push-gpgsign'),
     gitCommitterName: core.getInput('git-committer-name'),
     gitCommitterEmail: core.getInput('git-committer-email'),
     workdir: core.getInput('workdir') || '.'