diff --git a/math/libxlsxwriter/Makefile b/math/libxlsxwriter/Makefile
index 06adf3bf3fb8a..14877aeea2d38 100644
--- a/math/libxlsxwriter/Makefile
+++ b/math/libxlsxwriter/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	libxlsxwriter
-PORTVERSION=	1.0.0
+PORTVERSION=	1.0.1
 DISTVERSIONPREFIX=	RELEASE_
 CATEGORIES=	math devel
 
diff --git a/math/libxlsxwriter/distinfo b/math/libxlsxwriter/distinfo
index de95d90a4f853..1c32b434102e4 100644
--- a/math/libxlsxwriter/distinfo
+++ b/math/libxlsxwriter/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1600109612
-SHA256 (jmcnamara-libxlsxwriter-RELEASE_1.0.0_GH0.tar.gz) = 8b353379333c323d14a9d265cd2491d3a6c0032c8d6ec2141f10b82ab66a087c
-SIZE (jmcnamara-libxlsxwriter-RELEASE_1.0.0_GH0.tar.gz) = 17352002
+TIMESTAMP = 1617972819
+SHA256 (jmcnamara-libxlsxwriter-RELEASE_1.0.1_GH0.tar.gz) = 86df82e1180f07bd0be19225776db8fbe199d66e715a343d8c0c3444b05ec00b
+SIZE (jmcnamara-libxlsxwriter-RELEASE_1.0.1_GH0.tar.gz) = 17520424
diff --git a/math/libxlsxwriter/files/patch-src_Makefile b/math/libxlsxwriter/files/patch-src_Makefile
index 8eb22c8466de9..3d5d7cad24d20 100644
--- a/math/libxlsxwriter/files/patch-src_Makefile
+++ b/math/libxlsxwriter/files/patch-src_Makefile
@@ -1,6 +1,6 @@
---- src/Makefile.orig	2019-12-26 18:59:41 UTC
+--- src/Makefile.orig	2021-03-30 13:12:10 UTC
 +++ src/Makefile
-@@ -73,7 +73,7 @@ endif
+@@ -82,7 +82,7 @@ endif
  
  # Library names.
  LIBXLSXWRITER_A  = libxlsxwriter.a
@@ -9,7 +9,7 @@
  
  # Library with additional non-static functions for testing.
  LIBXLSXWRITER_TO = libxlsxwriter_test.a
-@@ -83,7 +83,7 @@ ARFLAGS = rc
+@@ -92,7 +92,7 @@ ARFLAGS = rc
  
  # Flags passed to dynamic linker.
  FPIC = -fPIC
@@ -18,7 +18,7 @@
  
  # Get Env/OS name.
  UNAME := $(shell uname)
-@@ -135,11 +135,11 @@ $(LIBXLSXWRITER_A) : $(OBJS)
+@@ -144,11 +144,11 @@ $(LIBXLSXWRITER_A) : $(OBJS)
  
  # The dynamic library.
  ifeq ($(findstring m32,$(CFLAGS)),m32)
@@ -27,8 +27,8 @@
  endif
  
  $(LIBXLSXWRITER_SO) : $(SOBJS)
--	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $^ $(LIBS)
-+	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(XSLX_ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $^ $(LIBS)
+-	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(ARCH) $(TARGET_ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $^ $(LIBS)
++	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(XLSX_ARCH) $(TARGET_ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $^ $(LIBS)
  
  # The test library.
  $(LIBXLSXWRITER_TO) : $(TOBJS)
diff --git a/math/libxlsxwriter/pkg-plist b/math/libxlsxwriter/pkg-plist
index 8541482fef5a5..486ce9e2272b4 100644
--- a/math/libxlsxwriter/pkg-plist
+++ b/math/libxlsxwriter/pkg-plist
@@ -29,3 +29,4 @@ include/xlsxwriter/xmlwriter.h
 lib/libxlsxwriter.a
 lib/libxlsxwriter.so
 lib/libxlsxwriter.so.0
+libdata/pkgconfig/xlsxwriter.pc