diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index bf57398c71b851d45848e90a6b8e1b1dbe8a8dcd..60a0f5d48fb7ea425858504105e1cce5f9c3e244 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -332,7 +332,7 @@ if(PKG_LATTE)
     include(ExternalProject)
     ExternalProject_Add(latte_build
       URL https://github.com/lanl/LATTE/archive/v1.2.1.tar.gz
-      URL_MD5 bed76e7e76c545c36dd848a8f1fd35eb
+      URL_MD5 85ac414fdada2d04619c8f936344df14
       SOURCE_SUBDIR cmake
       CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> -DCMAKE_POSITION_INDEPENDENT_CODE=${CMAKE_POSITION_INDEPENDENT_CODE}
       )
diff --git a/lib/latte/Install.py b/lib/latte/Install.py
index e1ed9d4eaaf4c95c2d3f09b91dee4f9db4441702..3b211858dd15b5336c0d962e7bf9bcbe88edcf08 100644
--- a/lib/latte/Install.py
+++ b/lib/latte/Install.py
@@ -40,7 +40,7 @@ version = '1.2.1'
 checksums = { \
         '1.1.0' : '533635721ee222d0ed2925a18fb5b294', \
         '1.2.0' : '68bf0db879da5e068a71281020239ae7', \
-        '1.2.1' : 'bed76e7e76c545c36dd848a8f1fd35eb' \
+        '1.2.1' : '85ac414fdada2d04619c8f936344df14', \
         }
 
 # print error message or help
diff --git a/src/Purge.list b/src/Purge.list
index 402fc409e6069980a034b9cc83aefa4d06d3b6a0..cd4eb17dab5d142b0fde5bb4673d3266271645fd 100644
--- a/src/Purge.list
+++ b/src/Purge.list
@@ -24,6 +24,9 @@ style_nstencil.h
 style_ntopo.h
 # other auto-generated files
 lmpinstalledpkgs.h
+# renamed on 20 July 2018
+pair_body.h
+pair_body.cpp
 # deleted on 4 April 2018
 pair_kim_version.h
 # deleted on 15 December 2017