diff --git a/packages/libdispatch/build.sh b/packages/libdispatch/build.sh
index 446cf3c97..d96d3e585 100644
--- a/packages/libdispatch/build.sh
+++ b/packages/libdispatch/build.sh
@@ -1,7 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://github.com/apple/swift-corelibs-libdspatch
 TERMUX_PKG_DESCRIPTION="The libdispatch project, for concurrency on multicore hardware"
 TERMUX_PKG_LICENSE="Apache-2.0"
-TERMUX_PKG_VERSION=1:5.1
+_VERSION=5.1
+TERMUX_PKG_VERSION=1:${_VERSION}
 TERMUX_PKG_SRCURL=https://github.com/apple/swift-corelibs-libdispatch/archive/swift-${TERMUX_PKG_VERSION}-RELEASE.tar.gz
 TERMUX_PKG_SHA256=da24d299eecc10e7d4b40a24e0700ca2f73da622795ecf6f4a5da4d33c486662
 TERMUX_PKG_DEPENDS="libc++"