diff --git a/C++.gitignore b/C++.gitignore
index 4581ef2..259148f 100644
--- a/C++.gitignore
+++ b/C++.gitignore
@@ -1,29 +1,32 @@
+# Prerequisites
+*.d
+
 # Compiled Object files
 *.slo
 *.lo
 *.o
 *.obj
 
 # Precompiled Headers
 *.gch
 *.pch
 
 # Compiled Dynamic libraries
 *.so
 *.dylib
 *.dll
 
 # Fortran module files
 *.mod
 *.smod
 
 # Compiled Static libraries
 *.lai
 *.la
 *.a
 *.lib
 
 # Executables
 *.exe
 *.out
 *.app
diff --git a/C.gitignore b/C.gitignore
index f805e81..7a065c7 100644
--- a/C.gitignore
+++ b/C.gitignore
@@ -1,33 +1,36 @@
+# Prerequisites
+*.d
+
 # Object files
 *.o
 *.ko
 *.obj
 *.elf
 
 # Precompiled Headers
 *.gch
 *.pch
 
 # Libraries
 *.lib
 *.a
 *.la
 *.lo
 
 # Shared objects (inc. Windows DLLs)
 *.dll
 *.so
 *.so.*
 *.dylib
 
 # Executables
 *.exe
 *.out
 *.app
 *.i*86
 *.x86_64
 *.hex
 
 # Debug files
 *.dSYM/
 *.su