diff --git a/math/octave-forge-rtree/Makefile b/math/octave-forge-rtree/Makefile
index a3a3362ed6ca5..e6e97b17876dc 100644
--- a/math/octave-forge-rtree/Makefile
+++ b/math/octave-forge-rtree/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	octave-forge-rtree
-DISTVERSION=	0.8.0
-PORTREVISION=	1
+DISTVERSIONPREFIX=	v
+DISTVERSION=	0.8.1
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
@@ -18,15 +18,13 @@ LIB_DEPENDS+=	libjansson.so:devel/jansson
 USE_GITLAB=	yes
 GL_ACCOUNT=	jjg
 GL_PROJECT=	librtree-octave
-GL_COMMIT=	6456b2ebb38528ea6861019b4b85699796ba91fa
 
 CFLAGS+=	-I${PREFIX}/include -L${PREFIX}/lib
 
-OCTAVE_SRC=	${GL_PROJECT}-${GL_COMMIT}
+OCTAVE_SRC=	${GL_PROJECT}-${GL_COMMIT}${DISTVERSIONPREFIX}${DISTVERSION}
 WRKSRC=		${WRKDIR}/${OCTAVE_SRC}
 
-post-patch:
-	${REINPLACE_CMD} s/^tar/gtar/ ${WRKSRC}/src/pkg/bin/pkg-build
+BINARY_ALIAS=	tar=gtar
 
 do-build:
 	cd ${WRKSRC} && ${SETENV} ${CONFIGURE_ENV} CFLAGS="${CFLAGS}" ./configure
diff --git a/math/octave-forge-rtree/distinfo b/math/octave-forge-rtree/distinfo
index 19789a392d888..5aac661c7f5b3 100644
--- a/math/octave-forge-rtree/distinfo
+++ b/math/octave-forge-rtree/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1706482585
-SHA256 (octave-forge/jjg-librtree-octave-6456b2ebb38528ea6861019b4b85699796ba91fa_GL0.tar.gz) = c43e7ff4908cc733f7a225332db6565b5def5662f828df068bade46caac9c597
-SIZE (octave-forge/jjg-librtree-octave-6456b2ebb38528ea6861019b4b85699796ba91fa_GL0.tar.gz) = 157719
+TIMESTAMP = 1711668317
+SHA256 (octave-forge/librtree-octave-v0.8.1.tar.bz2) = 4f244df478e14a172fa17e6220cbbfd5763ba0f4eeaf544462e356ebc174d8bf
+SIZE (octave-forge/librtree-octave-v0.8.1.tar.bz2) = 140481