diff --git a/dev-util/serialtalk/serialtalk-1.2.ebuild b/dev-util/serialtalk/serialtalk-1.2.ebuild
index b083e3feb6442..df713f0530d14 100644
--- a/dev-util/serialtalk/serialtalk-1.2.ebuild
+++ b/dev-util/serialtalk/serialtalk-1.2.ebuild
@@ -17,7 +17,7 @@ fi
 DESCRIPTION="simple command-line tool to talk to serial devices"
 HOMEPAGE="https://github.com/BGO-OD/serialtalk"
 
-LICENSE="GPL-3"
+LICENSE="GPL-3+"
 SLOT="0"
 
 src_install() {
diff --git a/dev-util/serialtalk/serialtalk-9999.ebuild b/dev-util/serialtalk/serialtalk-9999.ebuild
index b083e3feb6442..df713f0530d14 100644
--- a/dev-util/serialtalk/serialtalk-9999.ebuild
+++ b/dev-util/serialtalk/serialtalk-9999.ebuild
@@ -17,7 +17,7 @@ fi
 DESCRIPTION="simple command-line tool to talk to serial devices"
 HOMEPAGE="https://github.com/BGO-OD/serialtalk"
 
-LICENSE="GPL-3"
+LICENSE="GPL-3+"
 SLOT="0"
 
 src_install() {