diff --git a/www/rubygem-nanoc-cli/Makefile b/www/rubygem-nanoc-cli/Makefile
index 2403f9a7f11d..7a037333e85a 100644
--- a/www/rubygem-nanoc-cli/Makefile
+++ b/www/rubygem-nanoc-cli/Makefile
@@ -1,21 +1,21 @@
 PORTNAME=	nanoc-cli
-DISTVERSION=	4.12.5
+DISTVERSION=	4.12.15
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sdalu@sdalu.com
 COMMENT=	CLI for Nanoc
 WWW=		https://nanoc.ws/
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	rubygem-cri>=2.15:devel/rubygem-cri \
 		rubygem-diff-lcs>=1.3:textproc/rubygem-diff-lcs \
-		rubygem-nanoc-core=4.12.5:www/rubygem-nanoc-core \
+		rubygem-nanoc-core=4.12.15:www/rubygem-nanoc-core \
 		rubygem-zeitwerk>=2.1:devel/rubygem-zeitwerk
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/www/rubygem-nanoc-cli/distinfo b/www/rubygem-nanoc-cli/distinfo
index 611a9ce4370a..29094df445e1 100644
--- a/www/rubygem-nanoc-cli/distinfo
+++ b/www/rubygem-nanoc-cli/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647261951
-SHA256 (rubygem/nanoc-cli-4.12.5.gem) = ddddfe1c4a9861191f88552c0dc131fc8b4d29c61f508413a76f8efcb8faa9ce
-SIZE (rubygem/nanoc-cli-4.12.5.gem) = 22528
+TIMESTAMP = 1683471241
+SHA256 (rubygem/nanoc-cli-4.12.15.gem) = f9648e45a69a5974e290049c3ac6fdb5b1d810d80b14cb60b61c55624aa7b828
+SIZE (rubygem/nanoc-cli-4.12.15.gem) = 23040
diff --git a/www/rubygem-nanoc-core/Makefile b/www/rubygem-nanoc-core/Makefile
index 98b307c6de30..8c36460d28b2 100644
--- a/www/rubygem-nanoc-core/Makefile
+++ b/www/rubygem-nanoc-core/Makefile
@@ -1,26 +1,30 @@
 PORTNAME=	nanoc-core
-DISTVERSION=	4.12.5
+DISTVERSION=	4.12.15
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sdalu@sdalu.com
 COMMENT=	Contains the core of Nanoc
 WWW=		https://nanoc.ws/
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	rubygem-concurrent-ruby>=1.1:devel/rubygem-concurrent-ruby \
 		rubygem-ddmetrics>=1.0:devel/rubygem-ddmetrics \
 		rubygem-ddplugin>=1.0:devel/rubygem-ddplugin \
 		rubygem-hamster>=3.0:devel/rubygem-hamster \
 		rubygem-json_schema>=0.19:devel/rubygem-json_schema \
 		rubygem-memo_wise>=1.5:devel/rubygem-memo_wise \
+		rubygem-psych>=4.0:textproc/rubygem-psych \
 		rubygem-slow_enumerator_tools>=1.0:devel/rubygem-slow_enumerator_tools \
 		rubygem-tty-platform>=0.2:devel/rubygem-tty-platform \
 		rubygem-zeitwerk>=2.1:devel/rubygem-zeitwerk
 
 USES=		gem
 
 NO_ARCH=	yes
 
+post-patch:
+	@${REINPLACE_CMD} -e 's|freeze, \["~> 4.0|freeze, \[">= 4.0|' ${WRKSRC}/nanoc-core.gemspec
+
 .include <bsd.port.mk>
diff --git a/www/rubygem-nanoc-core/distinfo b/www/rubygem-nanoc-core/distinfo
index 5e7379b3590e..bc833d7a58dd 100644
--- a/www/rubygem-nanoc-core/distinfo
+++ b/www/rubygem-nanoc-core/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647261943
-SHA256 (rubygem/nanoc-core-4.12.5.gem) = 6ea3400b196282c9cd4ec548876419ab088af1f9640e9f99198ca8996c9cd3e3
-SIZE (rubygem/nanoc-core-4.12.5.gem) = 57856
+TIMESTAMP = 1676112514
+SHA256 (rubygem/nanoc-core-4.12.15.gem) = a412b545e5a279ac4a92266dffbd7c065c238616c7e9b68b4ab06bd1a900f39d
+SIZE (rubygem/nanoc-core-4.12.15.gem) = 62464
diff --git a/www/rubygem-nanoc/Makefile b/www/rubygem-nanoc/Makefile
index 6017d5b313ad..d6f2b76b5ae6 100644
--- a/www/rubygem-nanoc/Makefile
+++ b/www/rubygem-nanoc/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	nanoc
-DISTVERSION=	4.12.5
+DISTVERSION=	4.12.15
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	zi@FreeBSD.org
 COMMENT=	Simple but flexible static site generator
 WWW=		https://nanoc.ws/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	rubygem-addressable>=2.5:www/rubygem-addressable \
 		rubygem-colored>=1.2:textproc/rubygem-colored \
 		rubygem-nanoc-checking>=1.0:www/rubygem-nanoc-checking \
-		rubygem-nanoc-cli=4.12.5:www/rubygem-nanoc-cli \
-		rubygem-nanoc-core=4.12.5:www/rubygem-nanoc-core \
+		rubygem-nanoc-cli=4.12.15:www/rubygem-nanoc-cli \
+		rubygem-nanoc-core=4.12.15:www/rubygem-nanoc-core \
 		rubygem-nanoc-deploying>=1.0:www/rubygem-nanoc-deploying \
 		rubygem-parallel>=1.12:sysutils/rubygem-parallel \
 		rubygem-tty-command>=0.8:devel/rubygem-tty-command \
 		rubygem-tty-which>=0.4:devel/rubygem-tty-which
 
 USES=		gem
 
 NO_ARCH=	yes
 
 PLIST_FILES=	bin/nanoc
 
 .include <bsd.port.mk>
diff --git a/www/rubygem-nanoc/distinfo b/www/rubygem-nanoc/distinfo
index 9cfa7b7c3abe..9787418ad9ab 100644
--- a/www/rubygem-nanoc/distinfo
+++ b/www/rubygem-nanoc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647261916
-SHA256 (rubygem/nanoc-4.12.5.gem) = f387674d8992867ffa23c72c62336055ba226c42b86125ce4095fcc66ad0093f
-SIZE (rubygem/nanoc-4.12.5.gem) = 62976
+TIMESTAMP = 1683471213
+SHA256 (rubygem/nanoc-4.12.15.gem) = 50bea3f548eb8ee2c1c31cd163694c5e69f24a2a4741e7126d6f4c3c8ad4b991
+SIZE (rubygem/nanoc-4.12.15.gem) = 64000