diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b4c25a8d74..269b032587e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -617,4 +617,5 @@ Released with 1.0.0-beta.37 code base.
 ### Fixed
 
 -  Fixed types for `web3.utils._jsonInterfaceMethodToString` (#5550)
--  Fixed Next.js builds failing on Node.js v16, Abortcontroller added if it doesn't exist globally (#5601)
\ No newline at end of file
+-  Fixed Next.js builds failing on Node.js v16, Abortcontroller added if it doesn't exist globally (#5601)
+-  Builds fixed by updating all typescript versions to 4.1 (#5675) 
\ No newline at end of file
diff --git a/package.json b/package.json
index d1fe647f5b9..76c4c131f76 100644
--- a/package.json
+++ b/package.json
@@ -133,7 +133,7 @@
         "rimraf": "^3.0.2",
         "sandboxed-module": "^2.0.4",
         "ts-node": "^9.0.0",
-        "typescript": "^3.9.7",
+        "typescript": "4.1",
         "wait-port": "^0.2.9",
         "webpack": "^4.44.2",
         "webpack-cli": "^4.9.1"
diff --git a/packages/web3-bzz/package.json b/packages/web3-bzz/package.json
index e0fae669e67..5cb586168ef 100644
--- a/packages/web3-bzz/package.json
+++ b/packages/web3-bzz/package.json
@@ -21,6 +21,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-core-helpers/package.json b/packages/web3-core-helpers/package.json
index d48743df925..26a6a414451 100644
--- a/packages/web3-core-helpers/package.json
+++ b/packages/web3-core-helpers/package.json
@@ -20,6 +20,6 @@
     "devDependencies": {
         "@types/node": "^12.12.6",
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-core-method/package.json b/packages/web3-core-method/package.json
index d468ae25352..9616c6fd133 100644
--- a/packages/web3-core-method/package.json
+++ b/packages/web3-core-method/package.json
@@ -22,6 +22,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-core-subscriptions/package.json b/packages/web3-core-subscriptions/package.json
index 074a8a5783e..49516a41d0b 100644
--- a/packages/web3-core-subscriptions/package.json
+++ b/packages/web3-core-subscriptions/package.json
@@ -19,6 +19,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-core/package.json b/packages/web3-core/package.json
index 15404aaff14..4073fe19d30 100644
--- a/packages/web3-core/package.json
+++ b/packages/web3-core/package.json
@@ -24,6 +24,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth-abi/package.json b/packages/web3-eth-abi/package.json
index f89fc2094b5..ddd810d91f5 100644
--- a/packages/web3-eth-abi/package.json
+++ b/packages/web3-eth-abi/package.json
@@ -19,6 +19,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth-accounts/package.json b/packages/web3-eth-accounts/package.json
index 8c360bd8ffd..c9349f1266a 100644
--- a/packages/web3-eth-accounts/package.json
+++ b/packages/web3-eth-accounts/package.json
@@ -28,6 +28,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth-contract/package.json b/packages/web3-eth-contract/package.json
index 3be6f7f6224..c19e2a138da 100644
--- a/packages/web3-eth-contract/package.json
+++ b/packages/web3-eth-contract/package.json
@@ -25,6 +25,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth-ens/package.json b/packages/web3-eth-ens/package.json
index 56e6568dd05..4bf067a013c 100644
--- a/packages/web3-eth-ens/package.json
+++ b/packages/web3-eth-ens/package.json
@@ -25,7 +25,7 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5",
+        "typescript": "4.1",
         "web3-eth": "1.8.1"
     }
 }
diff --git a/packages/web3-eth-iban/package.json b/packages/web3-eth-iban/package.json
index 04324246d74..35e9c2fac13 100644
--- a/packages/web3-eth-iban/package.json
+++ b/packages/web3-eth-iban/package.json
@@ -19,6 +19,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth-personal/package.json b/packages/web3-eth-personal/package.json
index 7d73124912d..9852e008803 100644
--- a/packages/web3-eth-personal/package.json
+++ b/packages/web3-eth-personal/package.json
@@ -23,6 +23,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth/package.json b/packages/web3-eth/package.json
index 4775c142484..98c0d283822 100644
--- a/packages/web3-eth/package.json
+++ b/packages/web3-eth/package.json
@@ -29,6 +29,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth2-beaconchain/package.json b/packages/web3-eth2-beaconchain/package.json
index aba3289057f..00ee5b5dc5b 100644
--- a/packages/web3-eth2-beaconchain/package.json
+++ b/packages/web3-eth2-beaconchain/package.json
@@ -31,6 +31,6 @@
         "@types/node": "^14.11.2",
         "babel-jest": "^26.6.3",
         "jest": "^26.4.2",
-        "typescript": "^4.0.3"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth2-core/package.json b/packages/web3-eth2-core/package.json
index 38dfc432810..779939ae8b3 100644
--- a/packages/web3-eth2-core/package.json
+++ b/packages/web3-eth2-core/package.json
@@ -28,6 +28,6 @@
         "@types/node": "^14.14.22",
         "jest": "^26.5.3",
         "ts-jest": "^26.4.4",
-        "typescript": "^3.9.7"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-eth2-core/src/index.ts b/packages/web3-eth2-core/src/index.ts
index b955245640b..4b743da5cf3 100644
--- a/packages/web3-eth2-core/src/index.ts
+++ b/packages/web3-eth2-core/src/index.ts
@@ -26,7 +26,7 @@ export class ETH2Core {
                 baseURL: baseUrl
             })
         } catch (error) {
-            throw new Error(`Failed to create HTTP client: ${error.message}`)
+            throw new Error(`Failed to create HTTP client: ${(error as Error).message}`)
         }
     }
 
@@ -39,7 +39,7 @@ export class ETH2Core {
             this._httpClient = ETH2Core.createHttpClient(provider)
             this.provider = provider
         } catch (error) {
-            throw new Error(`Failed to set provider: ${error.message}`)
+            throw new Error(`Failed to set provider: ${(error as Error).message}`)
         }
     }
 
@@ -58,7 +58,7 @@ export class ETH2Core {
             
             return computedRoute
         } catch (error) {
-            throw new Error(`Failed to build route: ${error.message}`)
+            throw new Error(`Failed to build route: ${(error as Error).message}`)
         }
     }
 
@@ -76,7 +76,7 @@ export class ETH2Core {
                     if (method.outputFormatter) data = method.outputFormatter(data)
                     return data
                 } catch (error) {
-                    throw new Error(`${method.errorPrefix} ${error.message}`)
+                    throw new Error(`${method.errorPrefix} ${(error as Error).message}`)
                 }
             }
         }
diff --git a/packages/web3-net/package.json b/packages/web3-net/package.json
index 2825bcb8c24..70296063a94 100644
--- a/packages/web3-net/package.json
+++ b/packages/web3-net/package.json
@@ -20,6 +20,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-providers-http/package.json b/packages/web3-providers-http/package.json
index 111deeae799..b11a42b3f66 100644
--- a/packages/web3-providers-http/package.json
+++ b/packages/web3-providers-http/package.json
@@ -21,6 +21,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-providers-ipc/package.json b/packages/web3-providers-ipc/package.json
index d6bd6a10be7..8bcae3bde08 100644
--- a/packages/web3-providers-ipc/package.json
+++ b/packages/web3-providers-ipc/package.json
@@ -20,6 +20,6 @@
     "devDependencies": {
         "@types/node": "^12.12.6",
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-providers-ws/package.json b/packages/web3-providers-ws/package.json
index 378509aaac7..95955ab78d9 100644
--- a/packages/web3-providers-ws/package.json
+++ b/packages/web3-providers-ws/package.json
@@ -20,6 +20,6 @@
   },
   "devDependencies": {
     "dtslint": "^3.4.1",
-    "typescript": "^3.9.5"
+    "typescript": "4.1"
   }
 }
diff --git a/packages/web3-shh/package.json b/packages/web3-shh/package.json
index a5a366cfec6..fb2452b3423 100644
--- a/packages/web3-shh/package.json
+++ b/packages/web3-shh/package.json
@@ -23,6 +23,6 @@
     "devDependencies": {
         "@types/node": "^12.12.6",
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3-utils/package.json b/packages/web3-utils/package.json
index cc6eea87c21..a1d849542f1 100644
--- a/packages/web3-utils/package.json
+++ b/packages/web3-utils/package.json
@@ -24,6 +24,6 @@
     },
     "devDependencies": {
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5"
+        "typescript": "4.1"
     }
 }
diff --git a/packages/web3/package.json b/packages/web3/package.json
index c40e1214e18..3dba309f8ed 100644
--- a/packages/web3/package.json
+++ b/packages/web3/package.json
@@ -62,7 +62,7 @@
     "devDependencies": {
         "@types/node": "^12.12.6",
         "dtslint": "^3.4.1",
-        "typescript": "^3.9.5",
+        "typescript": "4.1",
         "web3-core-helpers": "1.8.1"
     }
 }