diff --git a/devel/Makefile b/devel/Makefile
index 6e05abe121a7..65d046ab185c 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -6737,6 +6737,7 @@
     SUBDIR += rubygem-cucumber
     SUBDIR += rubygem-cucumber-ci-environment
     SUBDIR += rubygem-cucumber-core
+    SUBDIR += rubygem-cucumber-core12
     SUBDIR += rubygem-cucumber-cucumber-expressions
     SUBDIR += rubygem-cucumber-messages
     SUBDIR += rubygem-cucumber-messages22
diff --git a/devel/rubygem-cucumber-core12/Makefile b/devel/rubygem-cucumber-core12/Makefile
new file mode 100644
index 000000000000..fa78b9a5dc50
--- /dev/null
+++ b/devel/rubygem-cucumber-core12/Makefile
@@ -0,0 +1,25 @@
+PORTNAME=	cucumber-core
+PORTVERSION=	12.0.0
+CATEGORIES=	devel rubygems
+MASTER_SITES=	RG
+PKGNAMESUFFIX=	12
+
+MAINTAINER=	sunpoet@FreeBSD.org
+COMMENT=	Core library for the Cucumber BDD app
+WWW=		https://cucumber.io/ \
+		https://github.com/cucumber/cucumber-ruby-core
+
+LICENSE=	MIT
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+RUN_DEPENDS=	rubygem-cucumber-gherkin26>=25<27:textproc/rubygem-cucumber-gherkin26 \
+		rubygem-cucumber-messages22>=20<23:devel/rubygem-cucumber-messages22 \
+		rubygem-cucumber-tag-expressions5>=5.0.4<6:devel/rubygem-cucumber-tag-expressions5
+
+USES=		gem
+
+NO_ARCH=	yes
+
+PORTSCOUT=	limit:^12\.
+
+.include <bsd.port.mk>
diff --git a/devel/rubygem-cucumber-core12/distinfo b/devel/rubygem-cucumber-core12/distinfo
new file mode 100644
index 000000000000..e92ba0b5c17f
--- /dev/null
+++ b/devel/rubygem-cucumber-core12/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1694348352
+SHA256 (rubygem/cucumber-core-12.0.0.gem) = c2a7f4c457dd64df6cc7f430392fb5c03160805eafb27849639fee65d5bb9dfa
+SIZE (rubygem/cucumber-core-12.0.0.gem) = 27136
diff --git a/devel/rubygem-cucumber-core12/pkg-descr b/devel/rubygem-cucumber-core12/pkg-descr
new file mode 100644
index 000000000000..6e5cd043cbfe
--- /dev/null
+++ b/devel/rubygem-cucumber-core12/pkg-descr
@@ -0,0 +1,6 @@
+Cucumber Core is the inner hexagon for the Ruby flavour of Cucumber.
+
+It contains the core domain logic to execute Cucumber features. It has no user
+interface, just a Ruby API. If you're interested in how Cucumber works, or in
+building other tools that work with Gherkin documents, you've come to the right
+place.