diff --git a/dev-util/cdecl/cdecl-14.0.ebuild b/dev-util/cdecl/cdecl-14.0.ebuild
index 87e73c11a1cd5..758ee4713f533 100644
--- a/dev-util/cdecl/cdecl-14.0.ebuild
+++ b/dev-util/cdecl/cdecl-14.0.ebuild
@@ -18,7 +18,7 @@ DEPEND="
 "
 RDEPEND="${DEPEND}"
 BDEPEND="
-	sys-devel/bison
+	app-alternatives/yacc
 	app-alternatives/lex
 "
 
diff --git a/dev-util/cdecl/cdecl-14.2.ebuild b/dev-util/cdecl/cdecl-14.2.ebuild
index 25122f03a31dc..a630375116346 100644
--- a/dev-util/cdecl/cdecl-14.2.ebuild
+++ b/dev-util/cdecl/cdecl-14.2.ebuild
@@ -18,7 +18,7 @@ DEPEND="
 "
 RDEPEND="${DEPEND}"
 BDEPEND="
-	sys-devel/bison
+	app-alternatives/yacc
 	app-alternatives/lex
 "