diff --git a/lang/csharp/src/apache/codegen/Avro.codegen.csproj b/lang/csharp/src/apache/codegen/Avro.codegen.csproj
index a0c15513a5d..8b9a90ec465 100644
--- a/lang/csharp/src/apache/codegen/Avro.codegen.csproj
+++ b/lang/csharp/src/apache/codegen/Avro.codegen.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,7 +25,7 @@
     <PackageId>Confluent.Apache.Avro.AvroGen</PackageId>
     <Title>Confluent.Apache.Avro.AvroGen</Title>
     <AssemblyName>avrogen</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <OutputType>Exe</OutputType>
     <PackAsTool>true</PackAsTool>
diff --git a/lang/csharp/src/apache/ipc/Avro.ipc.csproj b/lang/csharp/src/apache/ipc/Avro.ipc.csproj
index 0d3906cf6f8..6160fed4e7f 100644
--- a/lang/csharp/src/apache/ipc/Avro.ipc.csproj
+++ b/lang/csharp/src/apache/ipc/Avro.ipc.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,7 +25,7 @@
     <PackageId>Confluent.Apache.Avro.ipc</PackageId>
     <Title>Confluent.Apache.Avro.ipc</Title>
     <AssemblyName>Confluent.Apache.Avro.ipc</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/lang/csharp/src/apache/main/Avro.main.csproj b/lang/csharp/src/apache/main/Avro.main.csproj
index b10c215ad6e..0d4c405ebe6 100644
--- a/lang/csharp/src/apache/main/Avro.main.csproj
+++ b/lang/csharp/src/apache/main/Avro.main.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,8 +25,11 @@
     <PackageId>Confluent.Apache.Avro</PackageId>
     <Title>Confluent.Apache.Avro</Title>
     <AssemblyName>Confluent.Apache.Avro</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
+    <SignAssembly>true</SignAssembly>
+    <DelaySign>false</DelaySign>
+    <AssemblyOriginatorKeyFile>Confluent.Apache.Avro.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/lang/csharp/src/apache/main/Confluent.Apache.Avro.snk b/lang/csharp/src/apache/main/Confluent.Apache.Avro.snk
new file mode 100644
index 00000000000..dc503c315b0
Binary files /dev/null and b/lang/csharp/src/apache/main/Confluent.Apache.Avro.snk differ
diff --git a/lang/csharp/src/apache/msbuild/Avro.msbuild.csproj b/lang/csharp/src/apache/msbuild/Avro.msbuild.csproj
index e11cec6733a..55b08665706 100644
--- a/lang/csharp/src/apache/msbuild/Avro.msbuild.csproj
+++ b/lang/csharp/src/apache/msbuild/Avro.msbuild.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,7 +25,7 @@
     <PackageId>Confluent.Apache.Avro.msbuild</PackageId>
     <Title>Confluent.Apache.Avro.msbuild</Title>
     <AssemblyName>Confluent.Apache.Avro.msbuild</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/lang/csharp/src/apache/perf/Avro.perf.csproj b/lang/csharp/src/apache/perf/Avro.perf.csproj
index 63c98e53d88..e52d7f291fc 100644
--- a/lang/csharp/src/apache/perf/Avro.perf.csproj
+++ b/lang/csharp/src/apache/perf/Avro.perf.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,7 +25,7 @@
     <PackageId>Confluent.Apache.Avro.perf</PackageId>
     <Title>Confluent.Apache.Avro.perf</Title>
     <AssemblyName>Confluent.Apache.Avro.perf</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/lang/csharp/src/apache/test/Avro.test.csproj b/lang/csharp/src/apache/test/Avro.test.csproj
index 12b90e99673..8af5ce7ab5c 100644
--- a/lang/csharp/src/apache/test/Avro.test.csproj
+++ b/lang/csharp/src/apache/test/Avro.test.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
@@ -25,7 +25,7 @@
     <PackageId>Confluent.Apache.Avro.test</PackageId>
     <Title>Confluent.Apache.Avro.test</Title>
     <AssemblyName>Confluent.Apache.Avro.test</AssemblyName>
-    <VersionPrefix>1.7.7.6</VersionPrefix>
+    <VersionPrefix>1.7.7.7</VersionPrefix>
     <TargetFrameworks>net461</TargetFrameworks>
   </PropertyGroup>