diff --git a/src/FeatureFlags.Client/FeatureFlags.Client.csproj b/src/FeatureFlags.Client/FeatureFlags.Client.csproj
index fba776a..30f6b58 100644
--- a/src/FeatureFlags.Client/FeatureFlags.Client.csproj
+++ b/src/FeatureFlags.Client/FeatureFlags.Client.csproj
@@ -1,15 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-    <GenerateDocumentationFile>True</GenerateDocumentationFile>
-    <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.FeatureManagement.AspNetCore" Version="4.2.1" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
+    <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.FeatureManagement.AspNetCore" Version="4.3.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/FeatureFlags.Client/packages.lock.json b/src/FeatureFlags.Client/packages.lock.json
index ec569f4..2727a1c 100644
--- a/src/FeatureFlags.Client/packages.lock.json
+++ b/src/FeatureFlags.Client/packages.lock.json
@@ -4,11 +4,11 @@
     "net9.0": {
       "Microsoft.FeatureManagement.AspNetCore": {
         "type": "Direct",
-        "requested": "[4.2.1, )",
-        "resolved": "4.2.1",
-        "contentHash": "+LpvjzXbmeppjCFpKL32JZag4lAE2W5xqZiB4NWh5KFT06R35ul6XgmV/LW/tW5wKU0dLbsQnXy7On/ll9qyvg==",
+        "requested": "[4.3.0, )",
+        "resolved": "4.3.0",
+        "contentHash": "QUTCPSMDutLPw8s5z8H2DJ/CIjeXkKpXVi377EmGcLuoUhiAIHZIw+cqcEWWOYbgd09eyxKfFPSM7RCGedb/UQ==",
         "dependencies": {
-          "Microsoft.FeatureManagement": "4.2.1"
+          "Microsoft.FeatureManagement": "4.3.0"
         }
       },
       "Microsoft.Bcl.TimeProvider": {
@@ -108,8 +108,8 @@
       },
       "Microsoft.FeatureManagement": {
         "type": "Transitive",
-        "resolved": "4.2.1",
-        "contentHash": "n0rfGFSr4djdLwX/fkE28o9mljw2ZTeEgYXecInyCSCjpknpX/m2fMfXlOwcRSIriRDwYYgHl+Eef9JyxhrznA==",
+        "resolved": "4.3.0",
+        "contentHash": "6FJz8K6xzjuUBG5DZ55gttMU2/MxObqPDTRMXC950EjljJqZPrigMm1EMsPK+HbPR84+T4PCXgjmdlkw+8Piow==",
         "dependencies": {
           "Microsoft.Bcl.TimeProvider": "8.0.1",
           "Microsoft.Extensions.Caching.Memory": "8.0.1",