diff --git a/packages/amqp/package.json b/packages/amqp/package.json
index ddb7dee1..9a6f426f 100644
--- a/packages/amqp/package.json
+++ b/packages/amqp/package.json
@@ -30,6 +30,6 @@
         "@javatypes/spring-rabbit": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index c47ca9ac..f500a4d5 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -29,6 +29,6 @@
         "@types/base64-js": "^1.3.0",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/bukkit/package.json b/packages/bukkit/package.json
index 98084a8e..c0f906ba 100644
--- a/packages/bukkit/package.json
+++ b/packages/bukkit/package.json
@@ -22,7 +22,7 @@
         "@javatypes/spigot-api": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/bungee/package.json b/packages/bungee/package.json
index a54822d8..3d7ac6a9 100644
--- a/packages/bungee/package.json
+++ b/packages/bungee/package.json
@@ -22,7 +22,7 @@
         "@javatypes/bungee-api": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/client/package.json b/packages/client/package.json
index 143d3a30..0b0163bd 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -22,10 +22,10 @@
         "test": "echo \"Error: run tests from root\" && exit 1"
     },
     "dependencies": {
-        "minecraft-protocol": "^1.13.0"
+        "minecraft-protocol": "^1.16.0"
     },
     "devDependencies": {
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/common/package.json b/packages/common/package.json
index 3a8776c5..dfd1574d 100644
--- a/packages/common/package.json
+++ b/packages/common/package.json
@@ -23,7 +23,7 @@
         "@javatypes/jdk": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "gitHead": "562e2d00175c9d3a99c8b672aa07e6d92706a027"
 }
diff --git a/packages/compile/package.json b/packages/compile/package.json
index 5c1d5cab..980fec7a 100644
--- a/packages/compile/package.json
+++ b/packages/compile/package.json
@@ -21,6 +21,6 @@
     "devDependencies": {
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/container/package.json b/packages/container/package.json
index fc661527..9a8250c5 100644
--- a/packages/container/package.json
+++ b/packages/container/package.json
@@ -22,7 +22,7 @@
         "@ccms/nashorn": "^0.9.3",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "inversify": "^5.0.1",
diff --git a/packages/core/package.json b/packages/core/package.json
index ce1d59e2..e69a016d 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -21,7 +21,7 @@
     "devDependencies": {
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/database/package.json b/packages/database/package.json
index 429fa33a..4c1b9fa7 100644
--- a/packages/database/package.json
+++ b/packages/database/package.json
@@ -22,7 +22,7 @@
         "@javatypes/spring-jdbc": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/i18n/package.json b/packages/i18n/package.json
index f4c3af2c..0600c4a9 100644
--- a/packages/i18n/package.json
+++ b/packages/i18n/package.json
@@ -23,7 +23,7 @@
         "@types/js-yaml": "^3.12.5",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "js-yaml": "^3.14.0"
diff --git a/packages/keyvalue/package.json b/packages/keyvalue/package.json
index 14fc8699..7c45db62 100644
--- a/packages/keyvalue/package.json
+++ b/packages/keyvalue/package.json
@@ -30,7 +30,7 @@
         "@javatypes/spring-rabbit": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "gitHead": "2589633069d24f646ac09261b1b2304c21d4ea75"
 }
diff --git a/packages/nashorn/package.json b/packages/nashorn/package.json
index 14b3a491..d450e037 100644
--- a/packages/nashorn/package.json
+++ b/packages/nashorn/package.json
@@ -22,6 +22,6 @@
     "devDependencies": {
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/nodejs/package.json b/packages/nodejs/package.json
index 29da6a4f..f6367ba0 100644
--- a/packages/nodejs/package.json
+++ b/packages/nodejs/package.json
@@ -22,7 +22,7 @@
         "@ccms/nashorn": "^0.9.3",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "gitHead": "781524f83e52cad26d7c480513e3c525df867121"
 }
diff --git a/packages/nukkit/package.json b/packages/nukkit/package.json
index f675f8a8..c16718e9 100644
--- a/packages/nukkit/package.json
+++ b/packages/nukkit/package.json
@@ -22,7 +22,7 @@
         "@javatypes/nukkit-api": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/ployfill/package.json b/packages/ployfill/package.json
index 08ba903f..65056901 100644
--- a/packages/ployfill/package.json
+++ b/packages/ployfill/package.json
@@ -22,6 +22,6 @@
         "@ccms/nashorn": "^0.9.3",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }
diff --git a/packages/plugin/package.json b/packages/plugin/package.json
index 54f98a4b..a63b3a17 100644
--- a/packages/plugin/package.json
+++ b/packages/plugin/package.json
@@ -22,7 +22,7 @@
         "@types/js-yaml": "^3.12.5",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/plugins/package.json b/packages/plugins/package.json
index 18ff72c7..0e634239 100644
--- a/packages/plugins/package.json
+++ b/packages/plugins/package.json
@@ -25,7 +25,7 @@
         "@javatypes/tomcat": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/sponge/package.json b/packages/sponge/package.json
index 25d31050..74e0b0cf 100644
--- a/packages/sponge/package.json
+++ b/packages/sponge/package.json
@@ -22,7 +22,7 @@
         "@javatypes/sponge-api": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/spring/package.json b/packages/spring/package.json
index 53a6dcda..2aa712cf 100644
--- a/packages/spring/package.json
+++ b/packages/spring/package.json
@@ -21,7 +21,7 @@
     "devDependencies": {
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/web/package.json b/packages/web/package.json
index 8c58ae38..a6e8521e 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -26,7 +26,7 @@
         "@javatypes/tomcat": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     },
     "dependencies": {
         "@ccms/api": "^0.9.3",
diff --git a/packages/websocket/package.json b/packages/websocket/package.json
index a590bf22..e4e6a9b3 100644
--- a/packages/websocket/package.json
+++ b/packages/websocket/package.json
@@ -23,6 +23,6 @@
         "@javatypes/tomcat-websocket-api": "^0.0.2",
         "reflect-metadata": "^0.1.13",
         "rimraf": "^3.0.2",
-        "typescript": "^3.9.6"
+        "typescript": "^4.0.3"
     }
 }