diff --git a/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/files/patches/use-host-ocamlfind.patch b/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/files/patches/use-host-ocamlfind.patch
deleted file mode 100644
index c255ca93..00000000
--- a/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/files/patches/use-host-ocamlfind.patch
+++ /dev/null
@@ -1,39 +0,0 @@
-diff --git a/src/findlib/Makefile b/src/findlib/Makefile
-index 6ec8a71..d3e79eb 100644
---- a/src/findlib/Makefile
-+++ b/src/findlib/Makefile
-@@ -13,9 +13,9 @@ include $(TOP)/Makefile.config
- NAME = findlib
-
- # Need compiler-libs since ocaml-4.00
--OCAMLC = ocamlc -I +compiler-libs
--OCAMLOPT = ocamlopt -I +compiler-libs -g
--OCAMLDEP = ocamldep
-+OCAMLC = ocamlfind ocamlc -I +compiler-libs
-+OCAMLOPT = ocamlfind ocamlopt -I +compiler-libs -g
-+OCAMLDEP = ocamlfind ocamldep
- OCAMLLEX = ocamllex
- #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_o.cmo --
- #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_dump.cmo --
-@@ -38,10 +38,10 @@ DYNLOAD_OBJECTS  = fl_dynload.cmo
- DYNLOAD_XOBJECTS = $(DYNLOAD_OBJECTS:.cmo=.cmx)
-
-
--all: ocamlfind$(EXEC_SUFFIX) findlib.cma findlib_top.cma topfind $(NUMTOP) \
-+all: findlib.cma findlib_top.cma topfind $(NUMTOP) \
-      findlib_dynload.cma
-
--opt: ocamlfind_opt$(EXEC_SUFFIX) findlib.cmxa findlib_top.cmxa topfind \
-+opt: findlib.cmxa findlib_top.cmxa topfind \
-      findlib_dynload.cmxa
-
- num-top: num_top.cma
-@@ -123,8 +123,6 @@ install: all
- 	test $(INSTALL_TOPFIND) -eq 0 || cp topfind "$(prefix)$(OCAML_CORE_STDLIB)"
- 	files=`$(SH) $(TOP)/tools/collect_files $(TOP)/Makefile.config findlib.cmi findlib.mli findlib.cma findlib.cmxa findlib$(LIB_SUFFIX) findlib.cmxs topfind.cmi topfind.mli fl_package_base.mli fl_package_base.cmi fl_metascanner.mli fl_metascanner.cmi fl_metatoken.cmi findlib_top.cma findlib_top.cmxa findlib_top$(LIB_SUFFIX) findlib_top.cmxs findlib_dynload.cma findlib_dynload.cmxa findlib_dynload$(LIB_SUFFIX) findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi META` && \
- 	cp $$files "$(prefix)$(OCAML_SITELIB)/$(NAME)"
--	f="ocamlfind$(EXEC_SUFFIX)"; { test -f ocamlfind_opt$(EXEC_SUFFIX) && f="ocamlfind_opt$(EXEC_SUFFIX)"; }; \
--	cp $$f "$(prefix)$(OCAMLFIND_BIN)/ocamlfind$(EXEC_SUFFIX)"
- 	# the following "if" block is only needed for 4.00beta2
- 	if [ $(OCAML_REMOVE_DIRECTORY) -eq 0 -a -f "$(OCAML_CORE_STDLIB)/compiler-libs/topdirs.cmi" ]; then \
- 	    cd "$(OCAML_CORE_STDLIB)/compiler-libs/"; \
diff --git a/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/files/Makefile.config.in b/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/files/Makefile.config.in
similarity index 100%
rename from packages/ocamlfind-windows/ocamlfind-windows.1.9.1/files/Makefile.config.in
rename to packages/ocamlfind-windows/ocamlfind-windows.1.9.6/files/Makefile.config.in
diff --git a/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/files/patches/use-host-ocamlfind.patch b/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/files/patches/use-host-ocamlfind.patch
new file mode 100644
index 00000000..fd91d9be
--- /dev/null
+++ b/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/files/patches/use-host-ocamlfind.patch
@@ -0,0 +1,37 @@
+--- findlib-1.9.6/src/findlib/Makefile.orig	2024-02-26 09:43:44
++++ findlib-1.9.6/src/findlib/Makefile	2024-02-26 09:44:33
+@@ -13,9 +13,9 @@
+ NAME = findlib
+ 
+ # Need compiler-libs since ocaml-4.00
+-OCAMLC = ocamlc -I +compiler-libs
+-OCAMLOPT = ocamlopt -I +compiler-libs $(OCAMLOPT_G)
+-OCAMLDEP = ocamldep
++OCAMLC = ocamlfind ocamlc -I +compiler-libs
++OCAMLOPT = ocamlfind ocamlopt -I +compiler-libs $(OCAMLOPT_G)
++OCAMLDEP = ocamlfind ocamldep
+ OCAMLLEX = ocamllex
+ #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_o.cmo --
+ #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_dump.cmo --
+@@ -41,10 +41,10 @@
+ DYNLOAD_XOBJECTS = $(DYNLOAD_OBJECTS:.cmo=.cmx)
+ 
+ 
+-all: ocamlfind$(EXEC_SUFFIX) findlib.cma findlib_top.cma topfind $(NUMTOP) \
++all: findlib.cma findlib_top.cma topfind $(NUMTOP) \
+      findlib_dynload.cma
+ 
+-opt: ocamlfind_opt$(EXEC_SUFFIX) findlib.cmxa findlib_top.cmxa topfind \
++opt: findlib.cmxa findlib_top.cmxa topfind \
+      findlib_dynload.cmxa
+ 
+ num-top: num_top.cma
+@@ -134,8 +134,6 @@
+ 	findlib_dynload.cma findlib_dynload.cmxa findlib_dynload$(LIB_SUFFIX) findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi \
+ 	META` && \
+ 	$(INSTALLFILE) $$files "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$(NAME)/"
+-	f="ocamlfind$(EXEC_SUFFIX)"; { test -f ocamlfind_opt$(EXEC_SUFFIX) && f="ocamlfind_opt$(EXEC_SUFFIX)"; }; \
+-	$(INSTALLFILE) $$f "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)/ocamlfind$(EXEC_SUFFIX)"
+ 	# the following "if" block is only needed for 4.00beta2
+ 	if [ $(OCAML_REMOVE_DIRECTORY) -eq 0 -a -f "$(OCAML_CORE_STDLIB)/compiler-libs/topdirs.cmi" ]; then \
+ 	    cd "$(OCAML_CORE_STDLIB)/compiler-libs/"; \
diff --git a/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/opam b/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/opam
similarity index 72%
rename from packages/ocamlfind-windows/ocamlfind-windows.1.9.1/opam
rename to packages/ocamlfind-windows/ocamlfind-windows.1.9.6/opam
index aa072fb9..32f3d98e 100644
--- a/packages/ocamlfind-windows/ocamlfind-windows.1.9.1/opam
+++ b/packages/ocamlfind-windows/ocamlfind-windows.1.9.6/opam
@@ -30,17 +30,17 @@ build: [
   ["env" "OCAMLFIND_TOOLCHAIN=windows" make "opt"] {ocaml:native}
 ]
 install: [
-  ["env" "OCAMLFIND_TOOLCHAIN=windows" make "install"]
+  ["env" "OCAMLFIND_TOOLCHAIN=windows" "INSTALLDIR=mkdir -p" "INSTALLFILE=cp" make "install"]
 ]
 extra-files: [
-  ["patches/use-host-ocamlfind.patch" "md5=ad77f0d9f8a730670b3ff84e9b663fab"]
+  ["patches/use-host-ocamlfind.patch" "md5=3d2b8e64f8cd4f0aad9af2d667da43b3"]
   ["Makefile.config.in" "md5=361631c295fc31df6a163b0fdf78df0e"]
 ]
 dev-repo: "git+https://github.com/ocaml/ocamlfind.git"
 url {
-  src: "http://download.camlcity.org/download/findlib-1.9.1.tar.gz"
+  src: "http://download.camlcity.org/download/findlib-1.9.6.tar.gz"
   checksum: [
-    "md5=65e6dc9b305ccbed1267275fe180f538"
-    "sha512=83a05f3e310fa7cabb0475c5525f7a87c1b6bc2dc5e39f094cabfb5d944a826a5581844ba00ec1a48dd96184eb9de3c4d1055cdddee2b83c700a2de5a6dc6f84"
+    "md5=96c6ee50a32cca9ca277321262dbec57"
+    "sha512=cfaf1872d6ccda548f07d32cc6b90c3aafe136d2aa6539e03143702171ee0199add55269bba894c77115535dc46a5835901a5d7c75768999e72db503bfd83027"
   ]
 }