diff --git a/sci-libs/primegen/primegen-0.97.recipe b/sci-libs/primegen/primegen-0.97.recipe
index fcf93a978..02018c1c2 100644
--- a/sci-libs/primegen/primegen-0.97.recipe
+++ b/sci-libs/primegen/primegen-0.97.recipe
@@ -8,7 +8,7 @@ traditional Sieve of Eratosthenes."
 HOMEPAGE="https://cr.yp.to/primegen.html"
 COPYRIGHT="1999, D. J. Bernstein"
 LICENSE="Public Domain"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://cr.yp.to/primegen/primegen-$portVersion.tar.gz"
 CHECKSUM_SHA256="54285baf8eed9e421ff2220a2112d38cfb20c1ebef6014ef3f0004c22c95f40d"
 PATCHES="primegen-$portVersion.patchset"
@@ -43,6 +43,11 @@ BUILD_REQUIRES="
 	haiku_devel
 	"
 
+TEST_REQUIRES="
+	cmd:md5sum
+	"
+BUILD_REQUIRES+="$TEST_REQUIRES"
+
 BUILD()
 {
 	make