diff --git a/science/dlib-cpp/Makefile b/science/dlib-cpp/Makefile
index d0c447130d68..9d2ded50a4fc 100644
--- a/science/dlib-cpp/Makefile
+++ b/science/dlib-cpp/Makefile
@@ -1,8 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	dlib
-DISTVERSION=	19.19
-PORTREVISION=	1
+DISTVERSION=	19.20
 CATEGORIES=	science devel math
 MASTER_SITES=	http://dlib.net/files/
 PKGNAMESUFFIX=	-cpp
diff --git a/science/dlib-cpp/distinfo b/science/dlib-cpp/distinfo
index b06d88f5a91b..b2fbf589ad02 100644
--- a/science/dlib-cpp/distinfo
+++ b/science/dlib-cpp/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1581525198
-SHA256 (dlib-19.19.tar.bz2) = 1decfe883635ce51acd72869cebe870ab9b85eb094d417adc8f48aa7b8c60cd7
-SIZE (dlib-19.19.tar.bz2) = 11238085
+TIMESTAMP = 1592919899
+SHA256 (dlib-19.20.tar.bz2) = df9aa456ed5e190597fa8dafc1471670ced0128d0f115f2be7677c9c42f4328d
+SIZE (dlib-19.20.tar.bz2) = 11543888
diff --git a/science/py-dlib/Makefile b/science/py-dlib/Makefile
index 8ac6e534ea00..b499629e907e 100644
--- a/science/py-dlib/Makefile
+++ b/science/py-dlib/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	dlib
-DISTVERSION=	19.19
+DISTVERSION=	19.20
 CATEGORIES=	science devel math python
 MASTER_SITES=	http://dlib.net/files/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -45,7 +45,6 @@ SQLITE_VARS_OFF=	sqliteargs="--no DLIB_LINK_WITH_SQLITE3"
 BLASLAPACK_USES=	blaslapack
 BLASLAPACK_VARS_OFF=	blaslapackargs="--no DLIB_USE_BLAS --no DLIB_USE_LAPACK --no DLIB_USE_MKL_FFT"
 
-AVX_VARS=		avxargs="--yes USE_AVX_INSTRUCTIONS"
 AVX_VARS_OFF=		avxargs="--no USE_AVX_INSTRUCTIONS"
 
 PYDISTUTILS_BUILDARGS=	--set BOOST_PYTHON_SUFFIX:STRING=${PYTHON_SUFFIX} ${X11ARGS} ${JPEGARGS} ${PNGARGS} ${GIFARGS} ${SQLITEARGS} ${BLASLAPACKARGS} ${AVXARGS} ${BLASLAPACK}
diff --git a/science/py-dlib/distinfo b/science/py-dlib/distinfo
index 685f932547b3..2944ae4fb4ae 100644
--- a/science/py-dlib/distinfo
+++ b/science/py-dlib/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1581526176
-SHA256 (dlib-19.19.tar.bz2) = 1decfe883635ce51acd72869cebe870ab9b85eb094d417adc8f48aa7b8c60cd7
-SIZE (dlib-19.19.tar.bz2) = 11238085
+TIMESTAMP = 1592920853
+SHA256 (dlib-19.20.tar.bz2) = df9aa456ed5e190597fa8dafc1471670ced0128d0f115f2be7677c9c42f4328d
+SIZE (dlib-19.20.tar.bz2) = 11543888