diff --git a/packages/ca-certificates/build.sh b/packages/ca-certificates/build.sh
index 8f783e0d1..50600d13d 100644
--- a/packages/ca-certificates/build.sh
+++ b/packages/ca-certificates/build.sh
@@ -2,8 +2,9 @@ TERMUX_PKG_HOMEPAGE=https://curl.se/docs/caextract.html
 TERMUX_PKG_DESCRIPTION="Common CA certificates"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
-TERMUX_PKG_VERSION=1:2022-02-01
-TERMUX_PKG_SRCURL=https://curl.se/ca/cacert-${TERMUX_PKG_VERSION:2}.pem
+_DATE=2022-02-01
+TERMUX_PKG_VERSION=1:${_DATE//-/.}
+TERMUX_PKG_SRCURL=https://curl.se/ca/cacert-${_DATE}.pem
 TERMUX_PKG_SHA256=1d9195b76d2ea25c2b5ae9bee52d05075244d78fcd9c58ee0b6fac47d395a5eb
 TERMUX_PKG_SKIP_SRC_EXTRACT=true
 TERMUX_PKG_PLATFORM_INDEPENDENT=true