diff --git a/CipherSuite.Test/CipherSuite.Test.fsproj b/CipherSuite.Test/CipherSuite.Test.fsproj
index 38b4f9c..49b9353 100644
--- a/CipherSuite.Test/CipherSuite.Test.fsproj
+++ b/CipherSuite.Test/CipherSuite.Test.fsproj
@@ -14,7 +14,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="FsUnit" Version="5.2.0" />
+        <PackageReference Include="FsUnit" Version="5.3.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
         <PackageReference Include="NUnit" Version="3.13.3" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
diff --git a/nix/deps.nix b/nix/deps.nix
index bef0e04..1d51857 100644
--- a/nix/deps.nix
+++ b/nix/deps.nix
@@ -13,8 +13,8 @@
   })
   (fetchNuGet {
     pname = "FsUnit";
-    version = "5.2.0";
-    sha256 = "0l4n453slnynp8x372618yx6gjwywfai1dyl4m5iyw87d0iam7q3";
+    version = "5.3.0";
+    sha256 = "0fqjada5fysqfhqsxj9dxc849dckfn1256ra9yafx9w7npihaffa";
   })
   (fetchNuGet {
     pname = "Microsoft.Build.Tasks.Git";