diff --git a/Documentation/Documentation.csproj b/Documentation/Documentation.csproj
index ca416de..8ed0c22 100644
--- a/Documentation/Documentation.csproj
+++ b/Documentation/Documentation.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Documentation</RootNamespace>
     <AssemblyName>Documentation</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <NuGetPackageImportStamp>
diff --git a/ExifTest/ExifTest.csproj b/ExifTest/ExifTest.csproj
index 552a57e..59c7688 100644
--- a/ExifTest/ExifTest.csproj
+++ b/ExifTest/ExifTest.csproj
@@ -8,7 +8,7 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>ExifTest</RootNamespace>
     <AssemblyName>ExifTest</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <TargetFrameworkProfile />