diff --git a/devel/rubygem-classifier/Makefile b/devel/rubygem-classifier/Makefile
index e7a3ec0570e3..94a961be0174 100644
--- a/devel/rubygem-classifier/Makefile
+++ b/devel/rubygem-classifier/Makefile
@@ -1,19 +1,21 @@
 PORTNAME=	classifier
-PORTVERSION=	1.4.0
+PORTVERSION=	1.4.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Classifier module for Bayesian and other types of classifications
 WWW=		https://github.com/cardmagic/classifier
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	rubygem-fast-stemmer>=1.0.0:devel/rubygem-fast-stemmer \
+RUN_DEPENDS=	rubygem-fast-stemmer>=1.0<2:devel/rubygem-fast-stemmer \
+		rubygem-mutex_m>=0.2<1:devel/rubygem-mutex_m \
 		rubygem-rake>=0:devel/rubygem-rake
 
-NO_ARCH=	yes
 USES=		gem
 
+NO_ARCH=	yes
+
 .include <bsd.port.mk>
diff --git a/devel/rubygem-classifier/distinfo b/devel/rubygem-classifier/distinfo
index b2ca0a10c8ac..08e9b5cced39 100644
--- a/devel/rubygem-classifier/distinfo
+++ b/devel/rubygem-classifier/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1722711359
-SHA256 (rubygem/classifier-1.4.0.gem) = 57306c9ccda670c06290c5a7d38e4c0a3185c683c2d2cfdf6592d52864d00feb
-SIZE (rubygem/classifier-1.4.0.gem) = 22016
+TIMESTAMP = 1722798899
+SHA256 (rubygem/classifier-1.4.4.gem) = f7769d1c9ed34685eb5866e4e30db06bab381e42478e75b062276bae9a588fc7
+SIZE (rubygem/classifier-1.4.4.gem) = 22016