diff --git a/lerna.json b/lerna.json
index 91ca05860..dd6cc2f08 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
     "npmClient": "yarn",
     "useWorkspaces": true,
-    "version": "5.1.6",
+    "version": "5.1.7",
     "hoist": true
 }
diff --git a/packages/mobx-state-tree/package.json b/packages/mobx-state-tree/package.json
index 46166babc..d8d3a071a 100644
--- a/packages/mobx-state-tree/package.json
+++ b/packages/mobx-state-tree/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mobx-state-tree",
-    "version": "5.1.6",
+    "version": "5.1.7",
     "description": "Opinionated, transactional, MobX powered state container",
     "main": "dist/mobx-state-tree.js",
     "umd:main": "dist/mobx-state-tree.umd.js",
diff --git a/packages/mst-middlewares/package.json b/packages/mst-middlewares/package.json
index 5738fe52d..bd0f9c98a 100644
--- a/packages/mst-middlewares/package.json
+++ b/packages/mst-middlewares/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mst-middlewares",
-    "version": "5.1.6",
+    "version": "5.1.7",
     "description": "The MST package ships with some prebuilt middlewares, which serves mainly as examples on how to write your own middleware. The source of each middleware can be found in this github directory, you are encouraged to read them!",
     "main": "dist/mst-middlewares.js",
     "umd:main": "dist/mst-middlewares.umd.js",
@@ -42,7 +42,7 @@
         "jest": "^26.1.0",
         "jest-junit": "^11.0.1",
         "mobx": "^6.3.3",
-        "mobx-state-tree": "^5.1.6",
+        "mobx-state-tree": "^5.1.7",
         "rollup": "^2.56.3",
         "rollup-plugin-commonjs": "^10.1.0",
         "rollup-plugin-filesize": "^9.1.1",