diff --git a/package.json b/package.json
index 3b42ba8b..e657d762 100644
--- a/package.json
+++ b/package.json
@@ -91,10 +91,10 @@
     "react": "~0.14.9 || ^15.0.0 || ^16.0.0"
   },
   "dependencies": {
-    "clamp": "^1.0.1",
-    "object-assign": "^4.1.1",
+    "clamp": "1.0.1",
+    "object-assign": "4.1.1",
     "prop-types": "^15.6.0",
     "react-cursor-position": "2.2.2",
-    "react-required-if": "^1.0.1"
+    "react-required-if": "1.0.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 964f0fd8..7100bfe6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1382,7 +1382,7 @@ circular-json@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.1.tgz#be8b36aefccde8b3ca7aa2d6afc07a37242c0d2d"
 
-clamp@^1.0.1:
+clamp@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/clamp/-/clamp-1.0.1.tgz#66a0e64011816e37196828fdc8c8c147312c8634"
 
@@ -3658,7 +3658,7 @@ oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
+object-assign@4.1.1, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
@@ -4105,7 +4105,7 @@ react-dom@^16.0.0:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
-react-required-if@^1.0.1:
+react-required-if@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/react-required-if/-/react-required-if-1.0.1.tgz#f41d06bebb75346c206cd1de8dc0ef5b7c8f9abd"