diff --git a/extra/expat/checksums b/extra/expat/checksums
index 27c5ff45..60acbaa6 100644
--- a/extra/expat/checksums
+++ b/extra/expat/checksums
@@ -1 +1 @@
-7ffba382f26184f94ea5341d853564c20a03567531e8da94eef2d322e5aad7ac5b
+253e03c7042908c2c4c84fb4917a01203ad403fa09320f44cca5fa017064c40341
diff --git a/extra/expat/sources b/extra/expat/sources
index bd18412a..f93bad81 100644
--- a/extra/expat/sources
+++ b/extra/expat/sources
@@ -1 +1 @@
-https://github.com/libexpat/libexpat/releases/download/R_2_6_2/expat-2.6.2.tar.bz2
+https://github.com/libexpat/libexpat/releases/download/R_2_6_3/expat-2.6.3.tar.bz2
diff --git a/extra/expat/version b/extra/expat/version
index 43c8b8ba..d07a753e 100644
--- a/extra/expat/version
+++ b/extra/expat/version
@@ -1 +1 @@
-2.6.2 1
+2.6.3 1