diff --git a/man/.gitattributes b/man/.gitattributes
new file mode 100644
index 0000000000000..8e50cd1cedb6f
--- /dev/null
+++ b/man/.gitattributes
@@ -0,0 +1 @@
+*.1 export-subst
diff --git a/man/rustc.1 b/man/rustc.1
index a034e471b6efc..870dd3fa6e2b0 100644
--- a/man/rustc.1
+++ b/man/rustc.1
@@ -1,4 +1,4 @@
-.TH RUSTC "1" "August 2015" "rustc 1.2.0" "User Commands"
+.TH RUSTC "1" "$Format:%ci$" "At rev. $Format:%h$" "User Commands"
 .SH NAME
 rustc \- The Rust compiler
 .SH SYNOPSIS
diff --git a/man/rustdoc.1 b/man/rustdoc.1
index ae14c9d78287f..f0d122ff53a65 100644
--- a/man/rustdoc.1
+++ b/man/rustdoc.1
@@ -1,4 +1,4 @@
-.TH RUSTDOC "1" "August 2015" "rustdoc 1.2.0" "User Commands"
+.TH RUSTDOC "1" "$Format:%ci$" "At rev. $Format:%h$" "User Commands"
 .SH NAME
 rustdoc \- generate documentation from Rust source code
 .SH SYNOPSIS