diff --git a/pkgs/development/libraries/libtiff/default.nix b/pkgs/development/libraries/libtiff/default.nix
index 4fc6449230dc..8055704b0890 100644
--- a/pkgs/development/libraries/libtiff/default.nix
+++ b/pkgs/development/libraries/libtiff/default.nix
@@ -24,13 +24,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libtiff";
-  version = "4.5.1";
+  version = "4.6.0";
 
   src = fetchFromGitLab {
     owner = "libtiff";
     repo = "libtiff";
     rev = "v${version}";
-    hash = "sha256-qQEthy6YhNAQmdDMyoCIvK8f3Tx25MgqhJZW74CB93E=";
+    hash = "sha256-qCg5qjsPPynCHIg0JsPJldwVdcYkI68zYmyNAKUCoyw=";
   };
 
   patches = [
diff --git a/pkgs/development/libraries/libtiff/headers.patch b/pkgs/development/libraries/libtiff/headers.patch
index 49af1abb0a54..933e06f32326 100644
--- a/pkgs/development/libraries/libtiff/headers.patch
+++ b/pkgs/development/libraries/libtiff/headers.patch
@@ -2,7 +2,7 @@ export private headers for freeimage
 --- i/libtiff/Makefile.am
 +++ w/libtiff/Makefile.am
 @@ -36,8 +36,12 @@ EXTRA_DIST = \
- 	tiffconf.h.cmake.in
+ 	tif_win32_versioninfo.rc
 
  libtiffinclude_HEADERS = \
 +	tif_config.h \
diff --git a/pkgs/development/libraries/libtiff/rename-version.patch b/pkgs/development/libraries/libtiff/rename-version.patch
index 3e93569d4245..04fa1bfc88c7 100644
--- a/pkgs/development/libraries/libtiff/rename-version.patch
+++ b/pkgs/development/libraries/libtiff/rename-version.patch
@@ -7,15 +7,15 @@ fix case-insensitive build
  	TODO \
 -	VERSION
 +	VERSION.txt
-
+ 
  EXTRA_DIST = \
- 	cmake \
-@@ -61,7 +61,7 @@ SUBDIRS = port libtiff tools build contrib test doc
-
+ 	placeholder.h \
+@@ -68,7 +68,7 @@ NEW_LIBTIFF_RELEASE_DATE=$(shell date +"%Y%m%d")
  release:
-	(rm -f $(top_srcdir)/RELEASE-DATE && echo $(LIBTIFF_RELEASE_DATE) > $(top_srcdir)/RELEASE-DATE)
+ 	@(echo --- Setting release date to $(NEW_LIBTIFF_RELEASE_DATE) and release version to $(LIBTIFF_VERSION) ---)
+ 	(rm -f $(top_srcdir)/RELEASE-DATE && echo $(NEW_LIBTIFF_RELEASE_DATE) > $(top_srcdir)/RELEASE-DATE)
 -	(rm -f $(top_srcdir)/VERSION && echo $(LIBTIFF_VERSION) > $(top_srcdir)/VERSION)
-+	(rm -f $(top_srcdir)/VERSION.txt && echo $(LIBTIFF_VERSION) > $(top_srcdir)/VERSION.txt)
-	(rm -f $(top_srcdir)/libtiff/tiffvers.h && sed 's,LIBTIFF_VERSION,$(LIBTIFF_VERSION),;s,LIBTIFF_RELEASE_DATE,$(LIBTIFF_RELEASE_DATE),;s,LIBTIFF_MAJOR_VERSION,$(LIBTIFF_MAJOR_VERSION),;s,LIBTIFF_MINOR_VERSION,$(LIBTIFF_MINOR_VERSION),;s,LIBTIFF_MICRO_VERSION,$(LIBTIFF_MICRO_VERSION),' $(top_srcdir)/libtiff/tiffvers.h.in > $(top_srcdir)/libtiff/tiffvers.h)
-
++	(rm -f $(top_srcdir)/VERSION && echo $(LIBTIFF_VERSION) > $(top_srcdir)/VERSION.txt)
+ 	(rm -f $(top_builddir)/libtiff/tiffvers.h && sed 's,LIBTIFF_VERSION,$(LIBTIFF_VERSION),;s,LIBTIFF_RELEASE_DATE,$(NEW_LIBTIFF_RELEASE_DATE),;s,LIBTIFF_MAJOR_VERSION,$(LIBTIFF_MAJOR_VERSION),;s,LIBTIFF_MINOR_VERSION,$(LIBTIFF_MINOR_VERSION),;s,LIBTIFF_MICRO_VERSION,$(LIBTIFF_MICRO_VERSION),' $(top_srcdir)/libtiff/tiffvers.h.in > $(top_builddir)/libtiff/tiffvers.h && sed -i 's,@,,g' $(top_builddir)/libtiff/tiffvers.h)
+ 
  pkgconfigdir = $(libdir)/pkgconfig