diff --git a/math/rumur/Makefile b/math/rumur/Makefile
index e46d5f78b0b3..0fa61cb84b57 100644
--- a/math/rumur/Makefile
+++ b/math/rumur/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	rumur
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2022.03.05
+DISTVERSION=	2022.08.20
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Model checker, a formal verification tool for state machines
 
 LICENSE=	PD
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libgmpxx.so:math/gmp
 
 USES=		bison cmake compiler:c++11-lang python:build shebangfix
 USE_LDCONFIG=	yes
 
 SHEBANG_FILES=	rumur/src/rumur-run
 SHEBANG_GLOB=	*.py
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Smattr
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_ARGS=	BISON_EXECUTABLE:STRING=${LOCALBASE}/bin/bison
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} --build . --target check
 
 .include <bsd.port.mk>
diff --git a/math/rumur/distinfo b/math/rumur/distinfo
index e39d3e5ec2f6..6b0edf66d459 100644
--- a/math/rumur/distinfo
+++ b/math/rumur/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647200634
-SHA256 (Smattr-rumur-v2022.03.05_GH0.tar.gz) = fb7fe7a1d196f350884ec85bf5d14f9c1afb0a406e77a5a6c69d300c062c731e
-SIZE (Smattr-rumur-v2022.03.05_GH0.tar.gz) = 313547
+TIMESTAMP = 1661109856
+SHA256 (Smattr-rumur-v2022.08.20_GH0.tar.gz) = 578eb763af192321d235e2d4cf463bf2a6cfd5de21f50d3f4e0c7b487d307575
+SIZE (Smattr-rumur-v2022.08.20_GH0.tar.gz) = 313720