diff --git a/src/TAKA.Tests/TAKA.Tests.csproj b/src/TAKA.Tests/TAKA.Tests.csproj
index 70fdaad..2810fcc 100644
--- a/src/TAKA.Tests/TAKA.Tests.csproj
+++ b/src/TAKA.Tests/TAKA.Tests.csproj
@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="nunit" Version="4.5.1" />               
         <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/TAKA.Tests/packages.lock.json b/src/TAKA.Tests/packages.lock.json
index bc06eb4..b6d9dea 100644
--- a/src/TAKA.Tests/packages.lock.json
+++ b/src/TAKA.Tests/packages.lock.json
@@ -4,12 +4,12 @@
     "net10.0": {
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",
-        "requested": "[18.0.1, )",
-        "resolved": "18.0.1",
-        "contentHash": "WNpu6vI2rA0pXY4r7NKxCN16XRWl5uHu6qjuyVLoDo6oYEggIQefrMjkRuibQHm/NslIUNCcKftvoWAN80MSAg==",
+        "requested": "[18.4.0, )",
+        "resolved": "18.4.0",
+        "contentHash": "w49iZdL4HL6V25l41NVQLXWQ+e71GvSkKVteMrOL02gP/PUkcnO/1yEb2s9FntU4wGmJWfKnyrRAhcMHd9ZZNA==",
         "dependencies": {
-          "Microsoft.CodeCoverage": "18.0.1",
-          "Microsoft.TestPlatform.TestHost": "18.0.1"
+          "Microsoft.CodeCoverage": "18.4.0",
+          "Microsoft.TestPlatform.TestHost": "18.4.0"
         }
       },
       "NUnit": {
@@ -58,8 +58,8 @@
       },
       "Microsoft.CodeCoverage": {
         "type": "Transitive",
-        "resolved": "18.0.1",
-        "contentHash": "O+utSr97NAJowIQT/OVp3Lh9QgW/wALVTP4RG1m2AfFP4IyJmJz0ZBmFJUsRQiAPgq6IRC0t8AAzsiPIsaUDEA=="
+        "resolved": "18.4.0",
+        "contentHash": "9O0BtCfzCWrkAmK187ugKdq72HHOXoOUjuWFDVc2LsZZ0pOnA9bTt+Sg9q4cF+MoAaUU+MuWtvBuFsnduviJow=="
       },
       "Microsoft.Extensions.Configuration.Abstractions": {
         "type": "Transitive",
@@ -162,15 +162,15 @@
       },
       "Microsoft.TestPlatform.ObjectModel": {
         "type": "Transitive",
-        "resolved": "18.0.1",
-        "contentHash": "qT/mwMcLF9BieRkzOBPL2qCopl8hQu6A1P7JWAoj/FMu5i9vds/7cjbJ/LLtaiwWevWLAeD5v5wjQJ/l6jvhWQ=="
+        "resolved": "18.4.0",
+        "contentHash": "4L6m2kS2pY5uJ9cpeRxzW22opr6ttScIRqsOpMDQpgENp/ZwxkkQCcmc6LRSURo2dFaaSW5KVflQZvroiJ7Wzg=="
       },
       "Microsoft.TestPlatform.TestHost": {
         "type": "Transitive",
-        "resolved": "18.0.1",
-        "contentHash": "uDJKAEjFTaa2wHdWlfo6ektyoh+WD4/Eesrwb4FpBFKsLGehhACVnwwTI4qD3FrIlIEPlxdXg3SyrYRIcO+RRQ==",
+        "resolved": "18.4.0",
+        "contentHash": "gZsCHI+zOmZCcKZieIL4Jg14qKD2OGZOmX5DehuIk1EA9BN6Crm0+taXQNEuajOH1G9CCyBxw8VWR4t5tumcng==",
         "dependencies": {
-          "Microsoft.TestPlatform.ObjectModel": "18.0.1",
+          "Microsoft.TestPlatform.ObjectModel": "18.4.0",
           "Newtonsoft.Json": "13.0.3"
         }
       },