diff --git a/src/TAKA.Web/TAKA.Web.csproj b/src/TAKA.Web/TAKA.Web.csproj
index 4148769..861aa35 100644
--- a/src/TAKA.Web/TAKA.Web.csproj
+++ b/src/TAKA.Web/TAKA.Web.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="NLog.Extensions.Logging" Version="6.1.2" />
     <PackageReference Include="NLog.Targets.Syslog" Version="7.0.0" />
     <PackageReference Include="NLog.Web.AspNetCore" Version="6.1.2" />
-    <PackageReference Include="Octopus.OpenFeature" Version="2.0.0" />
+    <PackageReference Include="Octopus.OpenFeature" Version="2.1.0" />
     <PackageReference Include="OpenFeature.Contrib.Providers.EnvVar" Version="0.0.7" />    
     <PackageReference Include="SumoLogic.Logging.NLog" Version="1.1.0" />
   </ItemGroup>
diff --git a/src/TAKA.Web/packages.lock.json b/src/TAKA.Web/packages.lock.json
index cc7b456..c44736a 100644
--- a/src/TAKA.Web/packages.lock.json
+++ b/src/TAKA.Web/packages.lock.json
@@ -74,11 +74,12 @@
       },
       "Octopus.OpenFeature": {
         "type": "Direct",
-        "requested": "[2.0.0, )",
-        "resolved": "2.0.0",
-        "contentHash": "SFOpEmpwkkseBCArnIdos37XnjWz1uZZc0rzHArsvQf0pJsvv2Je184JL5ZGHU/NAErztKeSHcqJ6TpgwU55Pw==",
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "t/rtZ9uUyLUGf78mIs1KGFRyg9Q0eV68kpXCnfZUTdDZXf3ff9dEPzoPLB2K7MmUuV1v3KEQAcdjMrCTn2Ak9g==",
         "dependencies": {
-          "OpenFeature": "2.11.1"
+          "OpenFeature": "2.11.1",
+          "murmurhash": "1.0.3"
         }
       },
       "OpenFeature.Contrib.Providers.EnvVar": {
@@ -105,6 +106,11 @@
         "resolved": "8.1.0",
         "contentHash": "O2QT+0DSTBR2Ojpacmcj3L0KrnnXTFrwLl/OW1lBUDiHhb89msHEHNhTA8AlK3jdFiAfMbAYyQaJVvRe6oSBcQ=="
       },
+      "murmurhash": {
+        "type": "Transitive",
+        "resolved": "1.0.3",
+        "contentHash": "56dW8jgSsvGs/tULn+r1UbS+o0rBvgMj+6Lta6uao4j8Kzx1kVxMf56LPKO070VqjWcGyMB4K4R6M4gVKutG9A=="
+      },
       "NLog": {
         "type": "Transitive",
         "resolved": "6.1.1",