diff --git a/devel/nlohmann-json/Makefile b/devel/nlohmann-json/Makefile
index 9ccb30e8d924..31e340fc096b 100644
--- a/devel/nlohmann-json/Makefile
+++ b/devel/nlohmann-json/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	json
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.9.0
+DISTVERSION=	3.9.1
 CATEGORIES=	devel
 PKGNAMEPREFIX=	nlohmann-
 
diff --git a/devel/nlohmann-json/distinfo b/devel/nlohmann-json/distinfo
index cf6a34720888..5ef098df5d39 100644
--- a/devel/nlohmann-json/distinfo
+++ b/devel/nlohmann-json/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1595912624
-SHA256 (nlohmann-json-v3.9.0_GH0.tar.gz) = 9943db11eeaa5b23e58a88fbc26c453faccef7b546e55063ad00e7caaaf76d0b
-SIZE (nlohmann-json-v3.9.0_GH0.tar.gz) = 6879995
+TIMESTAMP = 1596777581
+SHA256 (nlohmann-json-v3.9.1_GH0.tar.gz) = 4cf0df69731494668bdd6460ed8cb269b68de9c19ad8c27abc24cd72605b2d5b
+SIZE (nlohmann-json-v3.9.1_GH0.tar.gz) = 6882818