diff --git a/Directory.Packages.props b/Directory.Packages.props
index 000b11a..6c3f0a1 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -9,7 +9,7 @@
         <PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="9.0.3" />
         <PackageVersion Include="Microsoft.Extensions.Logging" Version="9.0.3" />
 
-        <PackageVersion Include="AWSSDK.DynamoDBv2" Version="3.7.406.17" />
+        <PackageVersion Include="AWSSDK.DynamoDBv2" Version="4.0.18.6" />
 
         <PackageVersion Include="Ductus.FluentDocker" Version="2.10.59" />
         <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
diff --git a/src/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex/packages.lock.json b/src/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex/packages.lock.json
index 27d509e..ccb9025 100644
--- a/src/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex/packages.lock.json
+++ b/src/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex/packages.lock.json
@@ -4,11 +4,11 @@
     ".NETStandard,Version=v2.1": {
       "AWSSDK.DynamoDBv2": {
         "type": "Direct",
-        "requested": "[3.7.406.17, )",
-        "resolved": "3.7.406.17",
-        "contentHash": "HmCeGXJwbflvvtcLTXIPJsI4XsQslUZ4BPPUmyHNLmQJdORJ8veln/tsNPFWDlhjhZ1KI3jSDTdkQZsxPNqfVg==",
+        "requested": "[4.0.18.6, )",
+        "resolved": "4.0.18.6",
+        "contentHash": "hFBfaL/M34Q/nW3SZB1NL6UhpJSFgtcBq0eU2EPSaIrOsg6ThKc6vp6HpYmyIgkGV1Ck59SJGDte2tdw/ThaJQ==",
         "dependencies": {
-          "AWSSDK.Core": "[3.7.402.35, 4.0.0)"
+          "AWSSDK.Core": "[4.0.7.4, 5.0.0)"
         }
       },
       "Microsoft.Extensions.Configuration.Binder": {
@@ -59,10 +59,13 @@
       },
       "AWSSDK.Core": {
         "type": "Transitive",
-        "resolved": "3.7.402.35",
-        "contentHash": "9Jby5BBQTzZOqzQiFjJyr3zCe5GVi64U8gxOlPk3vTTuVJqtkisBJ0Jh1RBj2fNqnWmJLfaWSCLvX1L06zwHnQ==",
+        "resolved": "4.0.7.4",
+        "contentHash": "qNlzH2ygJ6JG8uefpvws782PnJlkVEwqRD5vz4fR8wFfwWU3ttyAjiwEOPEYcxl84mhQdYGI9gR+kroGFI2+wA==",
         "dependencies": {
-          "Microsoft.Bcl.AsyncInterfaces": "1.1.0"
+          "Microsoft.Bcl.AsyncInterfaces": "8.0.0",
+          "System.Buffers": "4.5.1",
+          "System.Memory": "4.5.5",
+          "System.Text.Json": "8.0.6"
         }
       },
       "Microsoft.Bcl.AsyncInterfaces": {
diff --git a/test/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex.Tests/packages.lock.json b/test/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex.Tests/packages.lock.json
index 3d38a97..8acb7f1 100644
--- a/test/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex.Tests/packages.lock.json
+++ b/test/Be.Vlaanderen.Basisregisters.Aws.DistributedMutex.Tests/packages.lock.json
@@ -40,8 +40,8 @@
       },
       "AWSSDK.Core": {
         "type": "Transitive",
-        "resolved": "3.7.402.35",
-        "contentHash": "9Jby5BBQTzZOqzQiFjJyr3zCe5GVi64U8gxOlPk3vTTuVJqtkisBJ0Jh1RBj2fNqnWmJLfaWSCLvX1L06zwHnQ=="
+        "resolved": "4.0.7.4",
+        "contentHash": "qNlzH2ygJ6JG8uefpvws782PnJlkVEwqRD5vz4fR8wFfwWU3ttyAjiwEOPEYcxl84mhQdYGI9gR+kroGFI2+wA=="
       },
       "Microsoft.CodeCoverage": {
         "type": "Transitive",
@@ -259,7 +259,7 @@
       "be.vlaanderen.basisregisters.aws.distributedmutex": {
         "type": "Project",
         "dependencies": {
-          "AWSSDK.DynamoDBv2": "[3.7.406.17, )",
+          "AWSSDK.DynamoDBv2": "[4.0.18.6, )",
           "Microsoft.Extensions.Configuration.Binder": "[9.0.3, )",
           "Microsoft.Extensions.Configuration.Json": "[9.0.3, )",
           "Microsoft.Extensions.Logging": "[9.0.3, )"
@@ -277,11 +277,11 @@
       },
       "AWSSDK.DynamoDBv2": {
         "type": "CentralTransitive",
-        "requested": "[3.7.406.17, )",
-        "resolved": "3.7.406.17",
-        "contentHash": "HmCeGXJwbflvvtcLTXIPJsI4XsQslUZ4BPPUmyHNLmQJdORJ8veln/tsNPFWDlhjhZ1KI3jSDTdkQZsxPNqfVg==",
+        "requested": "[4.0.18.6, )",
+        "resolved": "4.0.18.6",
+        "contentHash": "hFBfaL/M34Q/nW3SZB1NL6UhpJSFgtcBq0eU2EPSaIrOsg6ThKc6vp6HpYmyIgkGV1Ck59SJGDte2tdw/ThaJQ==",
         "dependencies": {
-          "AWSSDK.Core": "[3.7.402.35, 4.0.0)"
+          "AWSSDK.Core": "[4.0.7.4, 5.0.0)"
         }
       },
       "Ductus.FluentDocker": {