diff --git a/Duplicati/Library/Backend/S3/Duplicati.Library.Backend.S3.csproj b/Duplicati/Library/Backend/S3/Duplicati.Library.Backend.S3.csproj
index 77ea339d3..c9bfaa89f 100644
--- a/Duplicati/Library/Backend/S3/Duplicati.Library.Backend.S3.csproj
+++ b/Duplicati/Library/Backend/S3/Duplicati.Library.Backend.S3.csproj
@@ -38,13 +38,13 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="AWSSDK.Core">
-      <HintPath>..\..\..\..\packages\AWSSDK.Core.3.3.17.10\lib\net45\AWSSDK.Core.dll</HintPath>
+      <HintPath>..\..\..\..\packages\AWSSDK.Core.3.3.29.3\lib\net45\AWSSDK.Core.dll</HintPath>
     </Reference>
     <Reference Include="AWSSDK.IdentityManagement">
-      <HintPath>..\..\..\..\packages\AWSSDK.IdentityManagement.3.3.5\lib\net45\AWSSDK.IdentityManagement.dll</HintPath>
+      <HintPath>..\..\..\..\packages\AWSSDK.IdentityManagement.3.3.7.18\lib\net45\AWSSDK.IdentityManagement.dll</HintPath>
     </Reference>
     <Reference Include="AWSSDK.S3">
-      <HintPath>..\..\..\..\packages\AWSSDK.S3.3.3.11\lib\net45\AWSSDK.S3.dll</HintPath>
+      <HintPath>..\..\..\..\packages\AWSSDK.S3.3.3.26.5\lib\net45\AWSSDK.S3.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Duplicati/Library/Backend/S3/packages.config b/Duplicati/Library/Backend/S3/packages.config
index fc1424bcc..21fabcd25 100644
--- a/Duplicati/Library/Backend/S3/packages.config
+++ b/Duplicati/Library/Backend/S3/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="AWSSDK.Core" version="3.3.17.10" targetFramework="net45" />
-  <package id="AWSSDK.IdentityManagement" version="3.3.5" targetFramework="net45" />
-  <package id="AWSSDK.S3" version="3.3.11" targetFramework="net45" />
+  <package id="AWSSDK.Core" version="3.3.29.3" targetFramework="net45" />
+  <package id="AWSSDK.IdentityManagement" version="3.3.7.18" targetFramework="net45" />
+  <package id="AWSSDK.S3" version="3.3.26.5" targetFramework="net45" />
 </packages>
\ No newline at end of file