diff --git a/Win64/proj/material/material.vcxproj b/Win64/proj/material/material.vcxproj
index 939e74d6ba..b51003eab6 100644
--- a/Win64/proj/material/material.vcxproj
+++ b/Win64/proj/material/material.vcxproj
@@ -302,6 +302,7 @@
     <ClCompile Include="..\..\..\SRC\material\uniaxial\ConfinedConcrete01.cpp" />
     <ClCompile Include="..\..\..\SRC\material\uniaxial\ContinuumUniaxial.cpp" />
     <ClCompile Include="..\..\..\SRC\material\uniaxial\CoulombDamperMaterial.cpp" />
+    <ClCompile Include="..\..\..\SRC\material\uniaxial\CreepMaterial.cpp" />
     <ClCompile Include="..\..\..\SRC\material\uniaxial\CubicSpline.cpp" />
     <ClCompile Include="..\..\..\SRC\material\uniaxial\DamperMaterial.cpp" />
     <ClCompile Include="..\..\..\SRC\material\uniaxial\DegradingPinchedBW.cpp" />
diff --git a/Win64/proj/material/material.vcxproj.filters b/Win64/proj/material/material.vcxproj.filters
index 63a2bc4b0b..b5f22caa6c 100644
--- a/Win64/proj/material/material.vcxproj.filters
+++ b/Win64/proj/material/material.vcxproj.filters
@@ -1496,6 +1496,9 @@
     <ClCompile Include="..\..\..\SRC\material\uniaxial\Ratchet.cpp">
       <Filter>uniaxial</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\SRC\material\uniaxial\CreepMaterial.cpp">
+      <Filter>uniaxial</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\SRC\material\uniaxial\AxialSp.h">