diff --git a/src/NPOI.OOXML/NPOI.OOXML.csproj b/src/NPOI.OOXML/NPOI.OOXML.csproj
index 6ddea28..804d0e8 100644
--- a/src/NPOI.OOXML/NPOI.OOXML.csproj
+++ b/src/NPOI.OOXML/NPOI.OOXML.csproj
@@ -1,14 +1,14 @@
-
- netstandard2.0;net461
- DotNetCore.NPOI
-
-
-
-
-
-
-
+
+ netstandard2.0;net461
+ DotNetCore.NPOI
+
+
+
+
+
+
+
diff --git a/src/NPOI.OpenXml4Net/NPOI.OpenXml4Net.csproj b/src/NPOI.OpenXml4Net/NPOI.OpenXml4Net.csproj
index d4035aa..f42cf74 100644
--- a/src/NPOI.OpenXml4Net/NPOI.OpenXml4Net.csproj
+++ b/src/NPOI.OpenXml4Net/NPOI.OpenXml4Net.csproj
@@ -2,6 +2,7 @@
netstandard2.0;net461
+ DotNetCore.NPOI.OpenXml4Net
diff --git a/src/NPOI.OpenXmlFormats/NPOI.OpenXmlFormats.csproj b/src/NPOI.OpenXmlFormats/NPOI.OpenXmlFormats.csproj
index 509d34f..c301b92 100644
--- a/src/NPOI.OpenXmlFormats/NPOI.OpenXmlFormats.csproj
+++ b/src/NPOI.OpenXmlFormats/NPOI.OpenXmlFormats.csproj
@@ -2,6 +2,7 @@
netstandard2.0;net461
+ DotNetCore.NPOI.OpenXmlFormats
diff --git a/src/NPOI/NPOI.csproj b/src/NPOI/NPOI.csproj
index a5eeaaf..012fc1c 100644
--- a/src/NPOI/NPOI.csproj
+++ b/src/NPOI/NPOI.csproj
@@ -2,6 +2,8 @@
netstandard2.0;net461
+ DotNetCore.NPOI.Core
+ false