diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3b4eb42..48472ec 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,25 +16,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repository
-        uses: actions/checkout@master
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Set up Node environment
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
-          node-version: '10.x'
+          node-version: lts/*
+          cache: 'yarn'
 
-      - name: Restore node_modules cache
-        uses: actions/cache@v1
-        id: multinetjs-cache
-        with:
-          path: /home/runner/work/multinetjs/multinetjs/node_modules
-          key: ${{ runner.os }}-${{ hashFiles('/home/runner/work/multinetjs/multinetjs/yarn.lock') }}-multinetjs-cache
 
       - name: Install yarn packages
-        if: steps.multinetjs-cache.outputs.cache-hit != 'true'
-        run: yarn install
+        run: yarn install --immutable
 
       - name: Run linting test
         run: yarn lint
diff --git a/src/axios.ts b/src/axios.ts
index 1e00a5e..207e995 100644
--- a/src/axios.ts
+++ b/src/axios.ts
@@ -58,6 +58,7 @@ export interface MultinetAxiosInstance extends AxiosInstance {
   networkTables(workspace: string, network: string, type: TableType): AxiosPromise<Table[]>;
   createWorkspace(workspace: string): AxiosPromise<string>;
   deleteWorkspace(workspace: string): AxiosPromise<string>;
+  forkWorkspace(workspace: string): AxiosPromise<Workspace>;
   renameWorkspace(workspace: string, name: string): AxiosPromise<Workspace>;
   uploadTable(workspace: string, table: string, options: TableUploadOptionsSpec, config?: AxiosRequestConfig): AxiosPromise<Array<{}>>;
   deleteTable(workspace: string, table: string): AxiosPromise<string>;
@@ -165,6 +166,10 @@ export function multinetAxiosInstance(config: AxiosRequestConfig): MultinetAxios
     });
   };
 
+  Proto.forkWorkspace = function(workspace: string): AxiosPromise<Workspace> {
+    return this.post(`workspaces/${workspace}/fork/`);
+  };
+
   Proto.uploadTable = async function(workspace: string, table: string, options: TableUploadOptionsSpec): Promise<AxiosResponse<Array<{}>>> {
     const { data, edgeTable, columnTypes, fileType, delimiter, quoteChar } = options;
     const s3ffClient = new S3FileFieldClient({
diff --git a/src/index.ts b/src/index.ts
index c5b5ed4..157bbc9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -224,6 +224,10 @@ class MultinetAPI {
     return (await this.axios.deleteWorkspace(workspace)).data;
   }
 
+  public async forkWorkspace(workspace: string): Promise<Workspace> {
+    return (await this.axios.forkWorkspace(workspace)).data;
+  }
+
   public async renameWorkspace(workspace: string, name: string): Promise<Workspace> {
     return (await this.axios.renameWorkspace(workspace, name)).data;
   }