diff --git a/math/gh-bc/Makefile b/math/gh-bc/Makefile
index e6ca1ed7f6cb2..ba6b5b7516220 100644
--- a/math/gh-bc/Makefile
+++ b/math/gh-bc/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=		bc
-PORTVERSION=		6.5.0
+PORTVERSION=		6.6.0
 CATEGORIES=		math lang
 MASTER_SITES=		https://github.com/gavinhoward/bc/releases/download/${PORTVERSION}/
 PKGNAMEPREFIX=		gh-
diff --git a/math/gh-bc/distinfo b/math/gh-bc/distinfo
index 66f8641c5fa7c..3ea47c13f6bd7 100644
--- a/math/gh-bc/distinfo
+++ b/math/gh-bc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1678917966
-SHA256 (bc-6.5.0.tar.xz) = b1afb1f50c0bce6119c98590bcc8afc22f520bc85c2b512c83938dbb8321cc30
-SIZE (bc-6.5.0.tar.xz) = 461380
+TIMESTAMP = 1684912213
+SHA256 (bc-6.6.0.tar.xz) = 309ef0faebf149376aa69446a496fac13c3ff483a100a51d9c67cea1a73b2906
+SIZE (bc-6.6.0.tar.xz) = 465272