diff --git a/debian/changelog b/debian/changelog
index 335372d2..41f6f07a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+llvm-toolchain-13 (1:13~++20210731010128+6eaf46beb462-1~exp2) experimental; urgency=medium
+
+  * Add symbol clang_CompileCommand_getNumMappedSources to libclang
+
+ --
+
 llvm-toolchain-13 (1:13~++20210731010128+6eaf46beb462-1~exp1) experimental; urgency=medium
 
   * Branching of snapshot into 13
diff --git a/debian/libclang1-X.Y.symbols.in b/debian/libclang1-X.Y.symbols.in
index f16b3ea1..4b13e9a8 100644
--- a/debian/libclang1-X.Y.symbols.in
+++ b/debian/libclang1-X.Y.symbols.in
@@ -41,6 +41,7 @@ libclang-@LLVM_VERSION@.so.13 libclang1-@LLVM_VERSION@ #MINVER#
  clang_CompileCommand_getMappedSourceContent@LLVM_13 1:5.0~svn298832-1~
  clang_CompileCommand_getMappedSourcePath@LLVM_13 1:5.0~svn298832-1~
  clang_CompileCommand_getNumArgs@LLVM_13 1:5.0~svn298832-1~
+ clang_CompileCommand_getNumMappedSources@LLVM_13 1:13.0.0~++20210811042606+b33de5411594-1~
  clang_CompileCommands_dispose@LLVM_13 1:5.0~svn298832-1~
  clang_CompileCommands_getCommand@LLVM_13 1:5.0~svn298832-1~
  clang_CompileCommands_getSize@LLVM_13 1:5.0~svn298832-1~