diff --git a/main/libtiff/.checksums b/main/libtiff/.checksums
index a146da613..22f438c68 100644
--- a/main/libtiff/.checksums
+++ b/main/libtiff/.checksums
@@ -1,2 +1 @@
-22fd6fb3626100775773e865f7f13f99  CVE-2022-48281.patch
-db9e220a1971acc64487f1d51a20dcaa  tiff-4.5.0.tar.gz
+d08c5f9eee6350fffc239e5993d92779  libtiff-4.5.1.tar.gz
diff --git a/main/libtiff/.pkgfiles b/main/libtiff/.pkgfiles
index 5508d619e..e21b1e411 100644
--- a/main/libtiff/.pkgfiles
+++ b/main/libtiff/.pkgfiles
@@ -1,4 +1,4 @@
-libtiff-4.5.0-2
+libtiff-4.5.1-1
 drwxr-xr-x root/root    usr/
 drwxr-xr-x root/root    usr/bin/
 -rwxr-xr-x root/root    usr/bin/fax2ps
@@ -29,96 +29,16 @@ drwxr-xr-x root/root    usr/include/
 drwxr-xr-x root/root    usr/lib/
 drwxr-xr-x root/root    usr/lib/cmake/
 drwxr-xr-x root/root    usr/lib/cmake/tiff/
+-rw-r--r-- root/root    usr/lib/cmake/tiff/TiffConfig.cmake
+-rw-r--r-- root/root    usr/lib/cmake/tiff/TiffConfigVersion.cmake
 -rw-r--r-- root/root    usr/lib/cmake/tiff/TiffTargets-release.cmake
 -rw-r--r-- root/root    usr/lib/cmake/tiff/TiffTargets.cmake
 lrwxrwxrwx root/root    usr/lib/libtiff.so -> libtiff.so.6
-lrwxrwxrwx root/root    usr/lib/libtiff.so.6 -> libtiff.so.6.0.0
--rwxr-xr-x root/root    usr/lib/libtiff.so.6.0.0
+lrwxrwxrwx root/root    usr/lib/libtiff.so.6 -> libtiff.so.6.0.1
+-rwxr-xr-x root/root    usr/lib/libtiff.so.6.0.1
 lrwxrwxrwx root/root    usr/lib/libtiffxx.so -> libtiffxx.so.6
-lrwxrwxrwx root/root    usr/lib/libtiffxx.so.6 -> libtiffxx.so.6.0.0
--rwxr-xr-x root/root    usr/lib/libtiffxx.so.6.0.0
+lrwxrwxrwx root/root    usr/lib/libtiffxx.so.6 -> libtiffxx.so.6.0.1
+-rwxr-xr-x root/root    usr/lib/libtiffxx.so.6.0.1
 drwxr-xr-x root/root    usr/lib/pkgconfig/
 -rw-r--r-- root/root    usr/lib/pkgconfig/libtiff-4.pc
 drwxr-xr-x root/root    usr/share/
-drwxr-xr-x root/root    usr/share/man/
-drwxr-xr-x root/root    usr/share/man/man1/
--rw-r--r-- root/root    usr/share/man/man1/fax2ps.1.gz
--rw-r--r-- root/root    usr/share/man/man1/fax2tiff.1.gz
--rw-r--r-- root/root    usr/share/man/man1/pal2rgb.1.gz
--rw-r--r-- root/root    usr/share/man/man1/ppm2tiff.1.gz
--rw-r--r-- root/root    usr/share/man/man1/raw2tiff.1.gz
--rw-r--r-- root/root    usr/share/man/man1/rgb2ycbcr.1.gz
--rw-r--r-- root/root    usr/share/man/man1/thumbnail.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiff2bw.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiff2pdf.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiff2ps.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiff2rgba.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffcmp.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffcp.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffcrop.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffdither.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffdump.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffgt.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffinfo.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffmedian.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffset.1.gz
--rw-r--r-- root/root    usr/share/man/man1/tiffsplit.1.gz
-drwxr-xr-x root/root    usr/share/man/man3/
--rw-r--r-- root/root    usr/share/man/man3/TIFFAccessTagMethods.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFClientInfo.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFClose.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFCreateDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFCustomDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFCustomTagList.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFDataWidth.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFDeferStrileArrayWriting.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFError.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldDataType.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldName.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldPassCount.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldQuery.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldReadCount.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldTag.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFieldWriteCount.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFFlush.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFGetField.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFMergeFieldInfo.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFOpen.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFPrintDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFProcFunctions.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFRGBAImage.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadEncodedStrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadEncodedTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadFromUserBuffer.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadRGBAImage.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadRGBAStrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadRGBATile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadRawStrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadRawTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadScanline.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFReadTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFSetDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFSetField.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFSetTagExtender.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFStrileQuery.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWarning.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteDirectory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteEncodedStrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteEncodedTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteRawStrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteRawTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteScanline.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFWriteTile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFbuffer.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFcodec.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFcolor.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFmemory.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFquery.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFsize.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFstrip.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFswab.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/TIFFtile.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/_TIFFRewriteField.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/_TIFFauxiliary.3tiff.gz
--rw-r--r-- root/root    usr/share/man/man3/libtiff.3tiff.gz
diff --git a/main/libtiff/spkgbuild b/main/libtiff/spkgbuild
index 34cb08980..1fe88c27b 100755
--- a/main/libtiff/spkgbuild
+++ b/main/libtiff/spkgbuild
@@ -2,15 +2,11 @@
 # depends	: cmake ninja
 
 name=libtiff
-version=4.5.0
-release=2
-source="https://download.osgeo.org/$name/tiff-$version.tar.gz
-	CVE-2022-48281.patch"
+version=4.5.1
+release=1
+source="$name-$version.tar.gz::https://download.osgeo.org/$name/tiff-$version.tar.gz"
 
 build() {
-	# https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48281
-	patch -d tiff-$version -Np1 -i $SRC/CVE-2022-48281.patch
-
 	cmake -S tiff-$version -B build -G Ninja \
 	        -DCMAKE_INSTALL_PREFIX=/usr \
 	        -DCMAKE_INSTALL_LIBDIR=lib \