diff --git a/test/browser/main.test.js b/test/browser/main.test.js
index e518fe5b..236549dc 100644
--- a/test/browser/main.test.js
+++ b/test/browser/main.test.js
@@ -92,17 +92,20 @@ describe('YouTube.js Tests', () => {
     */
   });
   
-  describe('Deciphers', () => {
-    it('Should decipher signature', () => {
-      const result = Signature.fromSourceCode(Constants.DECIPHERS.SIG.ALGORITHM).decipher(Constants.DECIPHERS.SIG.ORIGINAL_URL);
-      expect(result).toEqual(Constants.DECIPHERS.SIG.DECIPHERED_URL);
-    });
+  // Run decipher tests only on newer versions of node since we're requiring them directly.
+  if (process.version.match(/^v(\d+\.\d+)/)[1] > 12) {
+    describe('Deciphers', () => {
+      it('Should decipher signature', () => {
+        const result = Signature.fromSourceCode(Constants.DECIPHERS.SIG.ALGORITHM).decipher(Constants.DECIPHERS.SIG.ORIGINAL_URL);
+        expect(result).toEqual(Constants.DECIPHERS.SIG.DECIPHERED_URL);
+      });
     
-    it('Should decipher ntoken', () => {
-      const result = NToken.fromSourceCode(Constants.DECIPHERS.N.ALGORITHM).transform(Constants.DECIPHERS.N.ORIGINAL_TOKEN);
-      expect(result).toEqual(Constants.DECIPHERS.N.DECIPHERED_TOKEN);
+      it('Should decipher ntoken', () => {
+        const result = NToken.fromSourceCode(Constants.DECIPHERS.N.ALGORITHM).transform(Constants.DECIPHERS.N.ORIGINAL_TOKEN);
+        expect(result).toEqual(Constants.DECIPHERS.N.DECIPHERED_TOKEN);
+      });
     });
-  });
+  }
 });
 
 function download(id, session) {   
diff --git a/test/node/main.test.js b/test/node/main.test.js
index 80c9346b..3218ad19 100644
--- a/test/node/main.test.js
+++ b/test/node/main.test.js
@@ -82,17 +82,20 @@ describe('YouTube.js Tests', () => {
     }, 30000);
   });
   
-  describe('Deciphers', () => {
-    it('Should decipher signature', () => {
-      const result = Signature.fromSourceCode(Constants.DECIPHERS.SIG.ALGORITHM).decipher(Constants.DECIPHERS.SIG.ORIGINAL_URL);
-      expect(result).toEqual(Constants.DECIPHERS.SIG.DECIPHERED_URL);
-    });
+  // Run decipher tests only on newer versions of node since we're requiring them directly.
+  if (process.version.match(/^v(\d+\.\d+)/)[1] > 12) {
+    describe('Deciphers', () => {
+      it('Should decipher signature', () => {
+        const result = Signature.fromSourceCode(Constants.DECIPHERS.SIG.ALGORITHM).decipher(Constants.DECIPHERS.SIG.ORIGINAL_URL);
+        expect(result).toEqual(Constants.DECIPHERS.SIG.DECIPHERED_URL);
+      });
     
-    it('Should decipher ntoken', () => {
-      const result = NToken.fromSourceCode(Constants.DECIPHERS.N.ALGORITHM).transform(Constants.DECIPHERS.N.ORIGINAL_TOKEN);
-      expect(result).toEqual(Constants.DECIPHERS.N.DECIPHERED_TOKEN);
+      it('Should decipher ntoken', () => {
+        const result = NToken.fromSourceCode(Constants.DECIPHERS.N.ALGORITHM).transform(Constants.DECIPHERS.N.ORIGINAL_TOKEN);
+        expect(result).toEqual(Constants.DECIPHERS.N.DECIPHERED_TOKEN);
+      });
     });
-  });
+  }
 });
 
 function download(id, session) {