diff --git a/Directory.Packages.props b/Directory.Packages.props
index 959ab0c..39b8e29 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -6,7 +6,7 @@
     <PackageVersion Include="coverlet.MTP" Version="10.1.0" />
     <PackageVersion Include="Dynamitey.Community" Version="4.0.0" />
     <PackageVersion Include="FSharp.Analyzers.Build" Version="0.5.0" />
-    <PackageVersion Include="FsCheck" Version="3.4.0" />
+    <PackageVersion Include="FsCheck" Version="3.5.0" />
     <!-- FSharp.Core is the library's published dependency floor, so keep it
          low: consumers cannot go below it. The library builds against
          4.7.2; Tests override to a current version (issue 80). -->
diff --git a/Tests/packages.lock.json b/Tests/packages.lock.json
index a1db827..9825b43 100644
--- a/Tests/packages.lock.json
+++ b/Tests/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "FsCheck": {
         "type": "Direct",
-        "requested": "[3.4.0, )",
-        "resolved": "3.4.0",
-        "contentHash": "wkWR1DORrKd46W6MEhmS4muo/0kgrtUV/AGW1ohMWemy7WukcRH8T3JjkDpn/daOHk0yVqf0CBvScU17Ab//PA==",
+        "requested": "[3.5.0, )",
+        "resolved": "3.5.0",
+        "contentHash": "olekPbZ9M09t1qRK6yXfzvyA/eiLFXK2obJ0BAkk7reEoohbO/6ac8ISbCD3murRnQbwT04TUZKT3boFDUe4kw==",
         "dependencies": {
           "FSharp.Core": "5.0.2"
         }