diff --git a/src/Microsoft.Extensions.Logging.Abstractions/project.json b/src/Microsoft.Extensions.Logging.Abstractions/project.json
index 22ac6296..4c2dd93b 100644
--- a/src/Microsoft.Extensions.Logging.Abstractions/project.json
+++ b/src/Microsoft.Extensions.Logging.Abstractions/project.json
@@ -6,7 +6,8 @@
   },
   "description": "Logging interface definitions.",
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Microsoft.Extensions.TypeNameHelper.Sources": {
diff --git a/src/Microsoft.Extensions.Logging.Console/project.json b/src/Microsoft.Extensions.Logging.Console/project.json
index 07bebfcd..c88a9cdc 100644
--- a/src/Microsoft.Extensions.Logging.Console/project.json
+++ b/src/Microsoft.Extensions.Logging.Console/project.json
@@ -6,7 +6,8 @@
   },
   "description": "Console logger implementation.",
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Microsoft.Dnx.Runtime.Sources": {
diff --git a/src/Microsoft.Extensions.Logging.Debug/project.json b/src/Microsoft.Extensions.Logging.Debug/project.json
index f7085f70..652e0545 100644
--- a/src/Microsoft.Extensions.Logging.Debug/project.json
+++ b/src/Microsoft.Extensions.Logging.Debug/project.json
@@ -5,7 +5,8 @@
     "url": "git://github.com/aspnet/logging"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Microsoft.Extensions.Logging.Abstractions": "1.0.0-*"
diff --git a/src/Microsoft.Extensions.Logging.EventLog/project.json b/src/Microsoft.Extensions.Logging.EventLog/project.json
index dc0b0826..8cdf1a78 100644
--- a/src/Microsoft.Extensions.Logging.EventLog/project.json
+++ b/src/Microsoft.Extensions.Logging.EventLog/project.json
@@ -5,7 +5,8 @@
     "url": "git://github.com/aspnet/logging"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "description": "Logger for Windows Event Log.",
   "dependencies": {
diff --git a/src/Microsoft.Extensions.Logging.NLog/project.json b/src/Microsoft.Extensions.Logging.NLog/project.json
index f73621e8..477f1794 100644
--- a/src/Microsoft.Extensions.Logging.NLog/project.json
+++ b/src/Microsoft.Extensions.Logging.NLog/project.json
@@ -5,7 +5,8 @@
     "url": "git://github.com/aspnet/logging"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Microsoft.Extensions.Logging.Abstractions": "1.0.0-*",
diff --git a/src/Microsoft.Extensions.Logging.Testing/project.json b/src/Microsoft.Extensions.Logging.Testing/project.json
index a21959f1..64b39962 100644
--- a/src/Microsoft.Extensions.Logging.Testing/project.json
+++ b/src/Microsoft.Extensions.Logging.Testing/project.json
@@ -1,6 +1,10 @@
 {
   "description": "Helpers for writing tests that use Microsoft.Extensions.Logging.",
   "version": "1.0.0-*",
+  "compilationOptions": {
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
+  },
   "repository": {
     "type": "git",
     "url": "git://github.com/aspnet/logging"
diff --git a/src/Microsoft.Extensions.Logging.TraceSource/project.json b/src/Microsoft.Extensions.Logging.TraceSource/project.json
index 0cf09c4a..95a7393a 100644
--- a/src/Microsoft.Extensions.Logging.TraceSource/project.json
+++ b/src/Microsoft.Extensions.Logging.TraceSource/project.json
@@ -5,7 +5,8 @@
     "url": "git://github.com/aspnet/logging"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Microsoft.Extensions.Logging.Abstractions": "1.0.0-*"
diff --git a/src/Microsoft.Extensions.Logging/project.json b/src/Microsoft.Extensions.Logging/project.json
index fd4df2b3..b7c56262 100644
--- a/src/Microsoft.Extensions.Logging/project.json
+++ b/src/Microsoft.Extensions.Logging/project.json
@@ -13,7 +13,8 @@
     "warningsAsErrors": true,
     "define": [
       "TRACE"
-    ]
+    ],
+    "keyFile": "../../tools/Key.snk"
   },
   "frameworks": {
     "net451": {
diff --git a/tools/Key.snk b/tools/Key.snk
new file mode 100644
index 00000000..e10e4889
Binary files /dev/null and b/tools/Key.snk differ