diff --git a/src/Serilog.Sinks.IOFile/project.json b/src/Serilog.Sinks.IOFile/project.json
index 8762bd2a1..35b652da5 100644
--- a/src/Serilog.Sinks.IOFile/project.json
+++ b/src/Serilog.Sinks.IOFile/project.json
@@ -13,7 +13,14 @@
     "keyFile": "../../assets/Serilog.snk"
   },
   "frameworks": {
-    "net45": { 
+    "net45": {
+    },
+    "dotnet5.1": {
+      "dependencies": {
+        "System.IO": "4.0.11-beta-23516",
+        "System.IO.FileSystem":  "4.0.0",
+        "System.IO.FileSystem.Primitives": "4.0.0"
+      }
     },
     "dotnet5.4": {
       "dependencies": {
diff --git a/src/Serilog.Sinks.PeriodicBatching/project.json b/src/Serilog.Sinks.PeriodicBatching/project.json
index a929fd1d0..9abe7c4ce 100644
--- a/src/Serilog.Sinks.PeriodicBatching/project.json
+++ b/src/Serilog.Sinks.PeriodicBatching/project.json
@@ -14,7 +14,7 @@
   },
   "frameworks": {
     "net45": {
-      "compilationOptions": { 
+      "compilationOptions": {
         "define": [ "PERIODIC_BATCHING" ]
       },
       "frameworkAssemblies": {
@@ -28,6 +28,14 @@
       "dependencies": {
         "System.Collections.Concurrent": "4.0.11-beta-23516"
       }
-    } 
+    },
+    "dotnet5.4": {
+      "compilationOptions": {
+        "define": [ "PERIODIC_BATCHING", "NO_TIMER", "NO_APPDOMAIN" ]
+      },
+      "dependencies": {
+        "System.Collections.Concurrent": "4.0.11-beta-23516"
+      }
+    }
   }
 }
\ No newline at end of file
diff --git a/src/Serilog.Sinks.RollingFile/project.json b/src/Serilog.Sinks.RollingFile/project.json
index 7ca38721e..c9225d8cf 100644
--- a/src/Serilog.Sinks.RollingFile/project.json
+++ b/src/Serilog.Sinks.RollingFile/project.json
@@ -15,7 +15,7 @@
   },
   "frameworks": {
     "net45": {
-    },
+    }, 
     "dotnet5.4": {
       "dependencies": {
         "System.IO": "4.0.11-beta-23516",
diff --git a/src/Serilog.Sinks.SystemConsole/project.json b/src/Serilog.Sinks.SystemConsole/project.json
index 1df5ab3e7..e84968733 100644
--- a/src/Serilog.Sinks.SystemConsole/project.json
+++ b/src/Serilog.Sinks.SystemConsole/project.json
@@ -19,6 +19,11 @@
       "dependencies": {
         "System.Console": "4.0.0-beta-23516"
       }
+    },
+    "dotnet5.4": {
+      "dependencies": {
+        "System.Console": "4.0.0-beta-23516"
+      }
     }
   }
 }
\ No newline at end of file