diff --git a/.gitignore b/.gitignore
index dc54aca..cf62206 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/dotnet-v3.1.108-SDK.tar.gz
+SOURCES/dotnet-v3.1.109-SDK.tar.gz
diff --git a/.rh-dotnet31-dotnet.metadata b/.rh-dotnet31-dotnet.metadata
index b96c9df..24efbb4 100644
--- a/.rh-dotnet31-dotnet.metadata
+++ b/.rh-dotnet31-dotnet.metadata
@@ -1 +1 @@
-2056a426a964052d932ac9d69648facaeebb60bb SOURCES/dotnet-v3.1.108-SDK.tar.gz
+cc5d072b4b82faacc62e03df37e7c02a1ff89a50 SOURCES/dotnet-v3.1.109-SDK.tar.gz
diff --git a/SPECS/dotnet.spec b/SPECS/dotnet.spec
index 51a2fc7..737085d 100644
--- a/SPECS/dotnet.spec
+++ b/SPECS/dotnet.spec
@@ -26,10 +26,10 @@
 %endif
 %global dotnet_ldflags %(echo %{__global_ldflags} | sed -re 's/-specs=[^ ]*//g')
 
-%global host_version 3.1.8
-%global runtime_version 3.1.8
+%global host_version 3.1.9
+%global runtime_version 3.1.9
 %global aspnetcore_runtime_version %{runtime_version}
-%global sdk_version 3.1.108
+%global sdk_version 3.1.109
 %global templates_version %(echo %{runtime_version} | awk 'BEGIN { FS="."; OFS="." } {print $1, $2, $3+1 }')
 
 %global host_rpm_version %{host_version}
@@ -55,7 +55,7 @@
 
 Name:           %{?scl_prefix}dotnet
 Version:        %{sdk_rpm_version}
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        .NET Core CLI tools and runtime
 License:        MIT and ASL 2.0 and BSD
 URL:            https://github.com/dotnet/
@@ -299,11 +299,11 @@ pushd src/cli.*
 popd
 
 # If CLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE is misisng, add it back
-grep CLR_CMAKE_USE_SYSTEM_LIBUNWIND repos/coreclr.proj || \
-    sed -i 's|\$(BuildArguments) </BuildArguments>|$(BuildArguments) cmakeargs -DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE</BuildArguments>|' repos/coreclr.proj
+grep CLR_CMAKE_USE_SYSTEM_LIBUNWIND repos/coreclr.common.props || \
+    sed -i 's|\$(BuildArguments) </BuildArguments>|$(BuildArguments) cmakeargs -DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE</BuildArguments>|' repos/coreclr.common.props
 
 %if %{use_bundled_libunwind}
-sed -i 's|-DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE|-DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=FALSE|' repos/coreclr.proj
+sed -i 's|-DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE|-DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=FALSE|' repos/coreclr.common.props
 %endif
 
 cat source-build-info.txt
@@ -441,6 +441,14 @@ echo "Testing build results for debug symbols..."
 %dir %{_libdir}/dotnet/packs
 
 %changelog
+* Tue Oct 13 2020 Omair Majid <omajid@redhat.com> - 3.1.109-2
+- Build against the system libunwind
+- Resolves: RHBZ#1886545
+
+* Fri Oct 09 2020 Omair Majid <omajid@redhat.com> - 3.1.109-1
+- Update to .NET Core SDK 3.1.109 and Runtime 3.1.9
+- Resolves: RHBZ#1886545
+
 * Tue Sep 01 2020 Omair Majid <omajid@redhat.com> - 3.1.108-1
 - Update to .NET Core SDK 3.1.108 and Runtime 3.1.8
 - Resolves: RHBZ#1874502