diff --git a/contracts/adapters/Manager.sol b/contracts/adapters/Manager.sol
index e63464dab..d8ba92973 100644
--- a/contracts/adapters/Manager.sol
+++ b/contracts/adapters/Manager.sol
@@ -162,12 +162,40 @@ contract Manager is Reimbursable, AdapterGuard, Signatures {
                 proposal.keys,
                 proposal.values
             );
+
+            // Grant new adapter access to extensions.
+            for (uint256 i = 0; i < proposal.extensionAclFlags.length; i++) {
+                _grantExtensionAccess(
+                    dao,
+                    proposal.extensionAddresses[i],
+                    proposal.adapterOrExtensionAddr,
+                    proposal.extensionAclFlags[i]
+                );
+            }
         } else if (proposal.updateType == UpdateType.EXTENSION) {
             _replaceExtension(dao, proposal);
-        } else if (proposal.updateType != UpdateType.CONFIGS) {
+
+            // Grant adapters access to new extension.
+            for (uint256 i = 0; i < proposal.extensionAclFlags.length; i++) {
+                _grantExtensionAccess(
+                    dao,
+                    proposal.adapterOrExtensionAddr,
+                    proposal.extensionAddresses[i], // Adapters.
+                    proposal.extensionAclFlags[i]
+                );
+            }
+        } else if (proposal.updateType == UpdateType.CONFIGS) {
+            for (uint256 i = 0; i < proposal.extensionAclFlags.length; i++) {
+                _grantExtensionAccess(
+                    dao,
+                    proposal.extensionAddresses[i],
+                    proposal.adapterOrExtensionAddr,
+                    proposal.extensionAclFlags[i]
+                );
+            }
+        } else {
             revert("unknown update type");
         }
-        _grantExtensionAccess(dao, proposal);
         _saveDaoConfigurations(dao, configs);
     }
 
@@ -206,22 +234,22 @@ contract Manager is Reimbursable, AdapterGuard, Signatures {
      */
     function _grantExtensionAccess(
         DaoRegistry dao,
-        ProposalDetails memory proposal
+        address extensionAddr,
+        address adapterAddr,
+        uint128 acl
     ) internal {
-        for (uint256 i = 0; i < proposal.extensionAclFlags.length; i++) {
-            // It is fine to execute the external call inside the loop
-            // because it is calling the correct function in the dao contract
-            // it won't be calling a fallback that always revert.
-            // slither-disable-next-line calls-loop
-            dao.setAclToExtensionForAdapter(
-                // It needs to be registered as extension
-                proposal.extensionAddresses[i],
-                // It needs to be registered as adapter
-                proposal.adapterOrExtensionAddr,
-                // Indicate which access level will be granted
-                proposal.extensionAclFlags[i]
-            );
-        }
+        // It is fine to execute the external call inside the loop
+        // because it is calling the correct function in the dao contract
+        // it won't be calling a fallback that always revert.
+        // slither-disable-next-line calls-loop
+        dao.setAclToExtensionForAdapter(
+            // It needs to be registered as extension
+            extensionAddr,
+            // It needs to be registered as adapter
+            adapterAddr,
+            // Indicate which access level will be granted
+            acl
+        );
     }
 
     /**
diff --git a/package-lock.json b/package-lock.json
index 7d7cec1f0..426dc8b89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "tribute-contracts",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "2.5.0",
+      "version": "2.6.0",
       "license": "MIT",
       "devDependencies": {
         "@istanbuljs/nyc-config-typescript": "^1.0.1",
diff --git a/package.json b/package.json
index 59a6a1e45..5d6f5cf99 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tribute-contracts",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "description": "A new modular DAO framework, inspired by the Moloch smart contracts",
   "keywords": [
     "dao",
diff --git a/test/adapters/manager.test.js b/test/adapters/manager.test.js
index fb759d7bb..9c29c916a 100644
--- a/test/adapters/manager.test.js
+++ b/test/adapters/manager.test.js
@@ -44,6 +44,7 @@ const {
   web3,
   Manager,
   FinancingContract,
+  BankExtension,
   ERC1271Extension,
   NFTExtension,
 } = require("../../utils/hardhat-test-util");
@@ -1152,4 +1153,94 @@ describe("Adapter - Manager", () => {
       )
     ).equal(true);
   });
+
+  it("should be possible to grant adapters access when replacing extension", async () => {
+    const dao = this.dao;
+    const manager = this.adapters.manager;
+    const kycOnboarding = this.adapters.kycOnboarding;
+    const newBank = await BankExtension.new();
+    const nonce = (await manager.nonces(dao.address)).toNumber() + 1;
+    const proposal = {
+      adapterOrExtensionId: sha3("bank"),
+      adapterOrExtensionAddr: newBank.address,
+      updateType: 2, // UpdateType 3 = configs
+      flags: 0,
+      keys: [],
+      values: [],
+      extensionAddresses: [manager.address, kycOnboarding.address],
+      extensionAclFlags: [
+        entryBank(manager.address, {
+          extensions: {
+            [extensionsIdsMap.BANK_EXT]: [
+              bankExtensionAclFlagsMap.ADD_TO_BALANCE,
+              bankExtensionAclFlagsMap.SUB_FROM_BALANCE,
+              bankExtensionAclFlagsMap.INTERNAL_TRANSFER,
+            ],
+          },
+        }).flags,
+        entryBank(kycOnboarding.address, {
+          extensions: {
+            [extensionsIdsMap.BANK_EXT]: [
+              bankExtensionAclFlagsMap.ADD_TO_BALANCE,
+              bankExtensionAclFlagsMap.INTERNAL_TRANSFER,
+            ],
+          },
+        }).flags,
+      ],
+    };
+    const configs = [];
+
+    const signature = generateCouponSignature({
+      daoAddress: dao.address,
+      managerAddress: manager.address,
+      chainId,
+      proposal,
+      configs,
+      nonce,
+    });
+
+    await manager.processSignedProposal(
+      dao.address,
+      proposal,
+      configs,
+      nonce,
+      signature
+    );
+
+    expect(
+      await dao.hasAdapterAccessToExtension(
+        manager.address,
+        newBank.address,
+        0 //ADD_TO_BALANCE
+      )
+    ).equal(true);
+    expect(
+      await dao.hasAdapterAccessToExtension(
+        manager.address,
+        newBank.address,
+        1 // SUB_FROM_BALANCE
+      )
+    ).equal(true);
+    expect(
+      await dao.hasAdapterAccessToExtension(
+        manager.address,
+        newBank.address,
+        2 // INTERNAL_TRANSFER
+      )
+    ).equal(true);
+    expect(
+      await dao.hasAdapterAccessToExtension(
+        kycOnboarding.address,
+        newBank.address,
+        0 //ADD_TO_BALANCE
+      )
+    ).equal(true);
+    expect(
+      await dao.hasAdapterAccessToExtension(
+        kycOnboarding.address,
+        newBank.address,
+        2 // INTERNAL_TRANSFER
+      )
+    ).equal(true);
+  });
 });