diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index bf1032050..1bdf82c40 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,10 +1,10 @@
-{% set version = "3.13.15" %}
+{% set version = "3.13.16" %}
 {% set dev = "" %}
 {% set dev_ = "" %}
 {% set ver2 = '.'.join(version.split('.')[0:2]) %}
 {% set ver2nd = ''.join(version.split('.')[0:2]) %}
 {% set ver3nd = ''.join(version.split('.')[0:3]) %}
-{% set build_number = 3 %}
+{% set build_number = 0 %}
 
 # this makes the linter happy
 {% set channel_targets = channel_targets or 'conda-forge main' %}
@@ -64,7 +64,7 @@ package:
 source:
   - url: https://www.python.org/ftp/python/{{ version }}/Python-{{ version }}{{ dev }}.tar.xz
     # sha256 from: https://www.python.org/downloads/release/python-{{ ver3nd }}{{ dev }}/
-    sha256: 1e66a7945a48390ee4c2a4268a0e4185884059a13c4aab6d148aa208deea4a76
+    sha256: f4b1bfb3c79b5bb11b8d228a12504163b4c0dab4d679828d8f5f26b6cb6ab35d
     patches:
       - patches/0001-Win32-Change-FD_SETSIZE-from-512-to-2048.patch
       - patches/0002-Win32-Do-not-download-externals.patch
diff --git a/recipe/patches/0005-Unvendor-openssl.patch b/recipe/patches/0005-Unvendor-openssl.patch
index 3e182646b..6ea0f0a02 100644
--- a/recipe/patches/0005-Unvendor-openssl.patch
+++ b/recipe/patches/0005-Unvendor-openssl.patch
@@ -112,8 +112,8 @@ index 64e4cd08db7..d0d58ce57e4 100644
 -    <libffiOutDir Condition="$(libffiOutDir) == ''">$(libffiDir)$(ArchName)\</libffiOutDir>
 -    <libffiIncludeDir Condition="$(libffiIncludeDir) == ''">$(libffiOutDir)include</libffiIncludeDir>
      <mpdecimalDir Condition="$(mpdecimalDir) == ''">$(ExternalsDir)\mpdecimal-4.0.0\</mpdecimalDir>
--    <opensslDir Condition="$(opensslDir) == ''">$(ExternalsDir)openssl-3.0.21\</opensslDir>
--    <opensslOutDir Condition="$(opensslOutDir) == ''">$(ExternalsDir)openssl-bin-3.0.21\$(ArchName)\</opensslOutDir>
+-    <opensslDir Condition="$(opensslDir) == ''">$(ExternalsDir)openssl-3.5.9\</opensslDir>
+-    <opensslOutDir Condition="$(opensslOutDir) == ''">$(ExternalsDir)openssl-bin-3.5.9\$(ArchName)\</opensslOutDir>
 -    <opensslIncludeDir Condition="$(opensslIncludeDir) == ''">$(opensslOutDir)include</opensslIncludeDir>
      <nasmDir Condition="$(nasmDir) == ''">$(ExternalsDir)\nasm-2.11.06\</nasmDir>
 -    <zlibDir Condition="$(zlibDir) == ''">$(ExternalsDir)\zlib-1.3.1\</zlibDir>
diff --git a/recipe/patches/0018-Unvendor-expat.patch b/recipe/patches/0018-Unvendor-expat.patch
index 266f11f09..32f53bbf2 100644
--- a/recipe/patches/0018-Unvendor-expat.patch
+++ b/recipe/patches/0018-Unvendor-expat.patch
@@ -4,17 +4,17 @@ Date: Wed, 29 Mar 2023 23:07:10 -0500
 Subject: [PATCH 18/25] Unvendor expat
 
 ---
- PCbuild/_elementtree.vcxproj         | 26 ++----------
- PCbuild/_elementtree.vcxproj.filters | 59 ----------------------------
- PCbuild/pyexpat.vcxproj              | 14 ++-----
- PCbuild/pyexpat.vcxproj.filters      | 23 -----------
- 4 files changed, 8 insertions(+), 114 deletions(-)
+ PCbuild/_elementtree.vcxproj         | 27 ++----------
+ PCbuild/_elementtree.vcxproj.filters | 62 ----------------------------
+ PCbuild/pyexpat.vcxproj              | 15 ++-----
+ PCbuild/pyexpat.vcxproj.filters      | 26 -----------
+ 4 files changed, 8 insertions(+), 122 deletions(-)
 
 diff --git a/PCbuild/_elementtree.vcxproj b/PCbuild/_elementtree.vcxproj
 index fb1589557da..f47bcd8e4e6 100644
 --- a/PCbuild/_elementtree.vcxproj
 +++ b/PCbuild/_elementtree.vcxproj
-@@ -93,37 +93,19 @@
+@@ -93,38 +93,19 @@
    </PropertyGroup>
    <ItemDefinitionGroup>
      <ClCompile>
@@ -37,6 +37,7 @@ index fb1589557da..f47bcd8e4e6 100644
 -    <ClInclude Include="..\Modules\expat\expat_config.h" />
 -    <ClInclude Include="..\Modules\expat\expat_external.h" />
 -    <ClInclude Include="..\Modules\expat\fallthrough.h" />
+-    <ClInclude Include="..\Modules\expat\hash_table.h" />
 -    <ClInclude Include="..\Modules\expat\iasciitab.h" />
 -    <ClInclude Include="..\Modules\expat\internal.h" />
 -    <ClInclude Include="..\Modules\expat\latin1tab.h" />
@@ -60,7 +61,7 @@ diff --git a/PCbuild/_elementtree.vcxproj.filters b/PCbuild/_elementtree.vcxproj
 index f6b55d8ff82..88a13faa683 100644
 --- a/PCbuild/_elementtree.vcxproj.filters
 +++ b/PCbuild/_elementtree.vcxproj.filters
-@@ -17,69 +17,10 @@
+@@ -17,72 +17,10 @@
        <UniqueIdentifier>{f99990ba-cd06-40cc-8f28-d2d424ec13be}</UniqueIdentifier>
      </Filter>
    </ItemGroup>
@@ -83,6 +84,9 @@ index f6b55d8ff82..88a13faa683 100644
 -    <ClInclude Include="..\Modules\expat\fallthrough.h">
 -      <Filter>Header Files\expat</Filter>
 -    </ClInclude>
+-    <ClInclude Include="..\Modules\expat\hash_table.h">
+-      <Filter>Header Files\expat</Filter>
+-    </ClInclude>
 -    <ClInclude Include="..\Modules\expat\iasciitab.h">
 -      <Filter>Header Files\expat</Filter>
 -    </ClInclude>
@@ -134,7 +138,7 @@ diff --git a/PCbuild/pyexpat.vcxproj b/PCbuild/pyexpat.vcxproj
 index 833ab5e9f7e..5fe782f11a8 100644
 --- a/PCbuild/pyexpat.vcxproj
 +++ b/PCbuild/pyexpat.vcxproj
-@@ -90,25 +90,19 @@
+@@ -90,26 +90,19 @@
    <PropertyGroup Label="UserMacros" />
    <ItemDefinitionGroup>
      <ClCompile>
@@ -152,6 +156,7 @@ index 833ab5e9f7e..5fe782f11a8 100644
    </ItemDefinitionGroup>
 -  <ItemGroup>
 -    <ClInclude Include="..\Modules\expat\fallthrough.h" />
+-    <ClInclude Include="..\Modules\expat\hash_table.h" />
 -    <ClInclude Include="..\Modules\expat\memory_sanitizer.h" />
 -    <ClInclude Include="..\Modules\expat\xmlrole.h" />
 -    <ClInclude Include="..\Modules\expat\xmltok.h" />
@@ -168,7 +173,7 @@ diff --git a/PCbuild/pyexpat.vcxproj.filters b/PCbuild/pyexpat.vcxproj.filters
 index 230531033fc..b8280b4049c 100644
 --- a/PCbuild/pyexpat.vcxproj.filters
 +++ b/PCbuild/pyexpat.vcxproj.filters
-@@ -11,33 +11,10 @@
+@@ -11,36 +11,10 @@
        <UniqueIdentifier>{f1dbbdb5-41e5-4a88-bf8e-13da010c0ce4}</UniqueIdentifier>
      </Filter>
    </ItemGroup>
@@ -176,6 +181,9 @@ index 230531033fc..b8280b4049c 100644
 -    <ClInclude Include="..\Modules\expat\fallthrough.h">
 -      <Filter>Header Files</Filter>
 -    </ClInclude>
+-    <ClInclude Include="..\Modules\expat\hash_table.h">
+-      <Filter>Header Files</Filter>
+-    </ClInclude>
 -    <ClInclude Include="..\Modules\expat\memory_sanitizer.h">
 -      <Filter>Header Files</Filter>
 -    </ClInclude>