diff --git a/packages/react-instantsearch/src/core/InstantSearch.js b/packages/react-instantsearch/src/core/InstantSearch.js
index 96f3cccf3a..51c66f0df4 100644
--- a/packages/react-instantsearch/src/core/InstantSearch.js
+++ b/packages/react-instantsearch/src/core/InstantSearch.js
@@ -68,6 +68,10 @@ class InstantSearch extends Component {
     if (this.props.indexName !== nextProps.indexName) {
       this.aisManager.updateIndex(nextProps.indexName);
     }
+    
+    if (this.props.algoliaClient !== nextProps.algoliaClient) {
+      this.aisManager.updateClient(nextProps.algoliaClient)
+    }
 
     if (this.isControlled) {
       this.aisManager.onExternalStateUpdate(nextProps.searchState);
diff --git a/packages/react-instantsearch/src/core/InstantSearch.test.js b/packages/react-instantsearch/src/core/InstantSearch.test.js
index 30d1c095d3..1bcb31d979 100644
--- a/packages/react-instantsearch/src/core/InstantSearch.test.js
+++ b/packages/react-instantsearch/src/core/InstantSearch.test.js
@@ -119,6 +119,27 @@ describe('InstantSearch', () => {
     });
   });
 
+  it('updates Algolia client when new one is given in props', () => {
+    const ism = {
+      updateClient: jest.fn(),
+    };
+
+    createInstantSearchManager.mockImplementation(() => ism);
+
+    const wrapper = mount(
+      <InstantSearch {...DEFAULT_PROPS}>
+        <div />
+      </InstantSearch>
+    );
+
+    expect(ism.updateClient.mock.calls.length).toBe(0);
+    wrapper.setProps({
+      ...DEFAULT_PROPS,
+      algoliaClient: {},
+    });
+    expect(ism.updateClient.mock.calls.length).toBe(1);
+  });
+
   it('works as a controlled input', () => {
     const ism = {
       transitionState: searchState => ({ ...searchState, transitioned: true }),