diff --git a/__tests__/save.test.ts b/__tests__/save.test.ts
index 943a2bd..ab78d77 100644
--- a/__tests__/save.test.ts
+++ b/__tests__/save.test.ts
@@ -118,6 +118,44 @@ test("save with exact match returns early", async () => {
     expect(failedMock).toHaveBeenCalledTimes(0);
 });
 
+test("save with exact match and updates enabled updates the cache", async () => {
+    const infoMock = jest.spyOn(core, "info");
+    const failedMock = jest.spyOn(core, "setFailed");
+
+    const primaryKey = "Linux-node-bb828da54c148048dd17899ba9fda624811cfb43";
+    const savedCacheKey = primaryKey;
+
+    jest.spyOn(core, "getState")
+        // Cache Entry State
+        .mockImplementationOnce(() => {
+            return savedCacheKey;
+        })
+        // Cache Key State
+        .mockImplementationOnce(() => {
+            return primaryKey;
+        });
+
+    const inputPath = "node_modules";
+    testUtils.setInput(Inputs.Path, inputPath);
+    testUtils.setInput(Inputs.Update, "true");
+
+    const cacheId = 4;
+    const saveCacheMock = jest
+        .spyOn(cache, "saveCache")
+        .mockImplementationOnce(() => {
+            return Promise.resolve(cacheId);
+        });
+
+    await run();
+
+    expect(infoMock).toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${primaryKey}, but updates were enabled, so updating cache.`
+    );
+    expect(saveCacheMock).toHaveBeenCalledTimes(1);
+    expect(saveCacheMock).toHaveBeenCalledWith([inputPath], primaryKey);
+    expect(failedMock).toHaveBeenCalledTimes(0);
+});
+
 test("save with missing input outputs warning", async () => {
     const logWarningMock = jest.spyOn(actionUtils, "logWarning");
     const failedMock = jest.spyOn(core, "setFailed");
diff --git a/action.yml b/action.yml
index e50c38b..47fa26a 100644
--- a/action.yml
+++ b/action.yml
@@ -11,6 +11,9 @@ inputs:
   restore-keys:
     description: 'An ordered list of keys to use for restoring the cache if no cache hit occurred for key'
     required: false
+  update:
+    description: 'If true, the cache will be updated if the key already exists'
+    required: false
 outputs:
   cache-hit:
     description: 'A boolean value to indicate an exact match was found for the primary key'
diff --git a/dist/restore/index.js b/dist/restore/index.js
index 00349f4..811694c 100644
--- a/dist/restore/index.js
+++ b/dist/restore/index.js
@@ -6717,6 +6717,7 @@ var Inputs;
     Inputs["Key"] = "key";
     Inputs["Path"] = "path";
     Inputs["RestoreKeys"] = "restore-keys";
+    Inputs["Update"] = "update";
 })(Inputs = exports.Inputs || (exports.Inputs = {}));
 var Outputs;
 (function (Outputs) {
diff --git a/dist/save/index.js b/dist/save/index.js
index f733e9a..b9ba86f 100644
--- a/dist/save/index.js
+++ b/dist/save/index.js
@@ -6605,8 +6605,13 @@ function run() {
                 return;
             }
             if (utils.isExactKeyMatch(primaryKey, state)) {
-                core.info(`Cache hit occurred on the primary key ${primaryKey}, not saving cache.`);
-                return;
+                if (core.getInput(constants_1.Inputs.Update) === "true") {
+                    core.info(`Cache hit occurred on the primary key ${primaryKey}, but updates were enabled, so updating cache.`);
+                }
+                else {
+                    core.info(`Cache hit occurred on the primary key ${primaryKey}, not saving cache.`);
+                    return;
+                }
             }
             const cachePaths = utils.getInputAsArray(constants_1.Inputs.Path, {
                 required: true
@@ -6802,6 +6807,7 @@ var Inputs;
     Inputs["Key"] = "key";
     Inputs["Path"] = "path";
     Inputs["RestoreKeys"] = "restore-keys";
+    Inputs["Update"] = "update";
 })(Inputs = exports.Inputs || (exports.Inputs = {}));
 var Outputs;
 (function (Outputs) {
diff --git a/src/constants.ts b/src/constants.ts
index a190e00..b32968e 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,7 +1,8 @@
 export enum Inputs {
     Key = "key",
     Path = "path",
-    RestoreKeys = "restore-keys"
+    RestoreKeys = "restore-keys",
+    Update = "update"
 }
 
 export enum Outputs {
diff --git a/src/save.ts b/src/save.ts
index 80b656c..0b0a7ca 100644
--- a/src/save.ts
+++ b/src/save.ts
@@ -25,10 +25,16 @@ async function run(): Promise<void> {
         }
 
         if (utils.isExactKeyMatch(primaryKey, state)) {
-            core.info(
-                `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
-            );
-            return;
+            if (core.getInput(Inputs.Update) === "true") {
+                core.info(
+                    `Cache hit occurred on the primary key ${primaryKey}, but updates were enabled, so updating cache.`
+                );
+            } else {
+                core.info(
+                    `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
+                );
+                return;
+            }
         }
 
         const cachePaths = utils.getInputAsArray(Inputs.Path, {
diff --git a/src/utils/testUtils.ts b/src/utils/testUtils.ts
index b1d20d0..140a2b1 100644
--- a/src/utils/testUtils.ts
+++ b/src/utils/testUtils.ts
@@ -13,11 +13,15 @@ interface CacheInput {
     path: string;
     key: string;
     restoreKeys?: string[];
+    update?: string;
 }
 
 export function setInputs(input: CacheInput): void {
     setInput(Inputs.Path, input.path);
     setInput(Inputs.Key, input.key);
+    input.update
+        ? setInput(Inputs.Update, input.update)
+        : setInput(Inputs.Update, "false");
     input.restoreKeys &&
         setInput(Inputs.RestoreKeys, input.restoreKeys.join("\n"));
 }
@@ -25,5 +29,6 @@ export function setInputs(input: CacheInput): void {
 export function clearInputs(): void {
     delete process.env[getInputName(Inputs.Path)];
     delete process.env[getInputName(Inputs.Key)];
+    delete process.env[getInputName(Inputs.Update)];
     delete process.env[getInputName(Inputs.RestoreKeys)];
 }