diff --git a/packages/slate-html-serializer/package.json b/packages/slate-html-serializer/package.json
index 98fc8a5f1..b2d202b7c 100644
--- a/packages/slate-html-serializer/package.json
+++ b/packages/slate-html-serializer/package.json
@@ -17,9 +17,9 @@
     "type-of": "^2.0.1"
   },
   "peerDependencies": {
-    "immutable": "^3.8.1",
-    "react": "^0.14.0 || ^15.0.0 || ^16.0.0",
-    "react-dom": "^0.14.0 || ^15.0.0 || ^16.0.0",
+    "immutable": ">=3.8.1",
+    "react": ">=0.14.0",
+    "react-dom": ">=0.14.0",
     "slate": ">=0.32.0"
   },
   "devDependencies": {
diff --git a/packages/slate-plain-serializer/package.json b/packages/slate-plain-serializer/package.json
index da34ba63e..dff4b8032 100644
--- a/packages/slate-plain-serializer/package.json
+++ b/packages/slate-plain-serializer/package.json
@@ -16,7 +16,7 @@
     "slate-dev-logger": "^0.1.39"
   },
   "peerDependencies": {
-    "immutable": "^3.8.0",
+    "immutable": ">=3.8.1",
     "slate": ">=0.32.0"
   },
   "devDependencies": {
diff --git a/packages/slate-prop-types/package.json b/packages/slate-prop-types/package.json
index 7400f3da9..b369fe88b 100644
--- a/packages/slate-prop-types/package.json
+++ b/packages/slate-prop-types/package.json
@@ -16,7 +16,7 @@
     "slate-dev-logger": "^0.1.39"
   },
   "peerDependencies": {
-    "immutable": "^3.8.0",
+    "immutable": ">=3.8.1",
     "slate": ">=0.32.0"
   },
   "devDependencies": {
diff --git a/packages/slate-react/package.json b/packages/slate-react/package.json
index 2f52e329f..67b654ed2 100644
--- a/packages/slate-react/package.json
+++ b/packages/slate-react/package.json
@@ -30,9 +30,9 @@
     "slate-prop-types": "^0.4.30"
   },
   "peerDependencies": {
-    "immutable": "^3.8.1",
-    "react": "^0.14.0 || ^15.0.0 || ^16.0.0",
-    "react-dom": "^0.14.0 || ^15.0.0 || ^16.0.0",
+    "immutable": ">=3.8.1",
+    "react": ">=0.14.0",
+    "react-dom": ">=0.14.0",
     "slate": ">=0.32.0"
   },
   "devDependencies": {
diff --git a/packages/slate/package.json b/packages/slate/package.json
index 9bada51b9..794b3922e 100644
--- a/packages/slate/package.json
+++ b/packages/slate/package.json
@@ -24,8 +24,8 @@
     "type-of": "^2.0.1"
   },
   "peerDependencies": {
-    "immutable": "^3.8.1",
-    "react": "^0.14.0 || ^15.0.0 || ^16.0.0"
+    "immutable": ">=3.8.1",
+    "react": ">=0.14.0"
   },
   "devDependencies": {
     "slate-hyperscript": "^0.5.13"