diff --git a/libzip/Include/zip.h b/libzip/Include/zip.h
index b17600c..de4456c 100644
--- a/libzip/Include/zip.h
+++ b/libzip/Include/zip.h
@@ -3,7 +3,7 @@
 
 /*
   zip.h -- exported declarations.
-  Copyright (C) 1999-2021 Dieter Baron and Thomas Klausner
+  Copyright (C) 1999-2024 Dieter Baron and Thomas Klausner
 
   This file is part of libzip, a library to manipulate ZIP archives.
   The authors can be contacted at <info@libzip.org>
@@ -34,6 +34,15 @@
   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+#if defined(__has_feature)
+  #if !__has_feature(nullability)
+    #define _Nullable
+    #define _Nonnull
+  #endif
+#else
+  #define _Nullable
+  #define _Nonnull
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,7 +51,7 @@ extern "C" {
 #endif
 #endif
 
-#include "/EgtDev/Extern/libzip/Include/zipconf.h"
+#include "zipconf.h"
 
 #ifndef ZIP_EXTERN
 #ifndef ZIP_STATIC
@@ -112,6 +121,10 @@ extern "C" {
 #define ZIP_EXTRA_FIELD_ALL ZIP_UINT16_MAX
 #define ZIP_EXTRA_FIELD_NEW ZIP_UINT16_MAX
 
+/* length parameter to various functions */
+
+#define ZIP_LENGTH_TO_END 0
+#define ZIP_LENGTH_UNCHECKED (-2) /* only supported by zip_source_file and its variants */
 
 /* libzip error codes */
 
@@ -150,6 +163,7 @@ extern "C" {
 #define ZIP_ER_CANCELLED 32       /* N Operation cancelled */
 #define ZIP_ER_DATA_LENGTH 33     /* N Unexpected length of data */
 #define ZIP_ER_NOT_ALLOWED 34     /* N Not allowed in torrentzip */
+#define ZIP_ER_TRUNCATED_ZIP 35   /* N Possibly truncated or corrupted zip archive */
 
 /* type of system error value */
 
@@ -252,7 +266,8 @@ enum zip_source_cmd {
     ZIP_SOURCE_BEGIN_WRITE_CLONING, /* like ZIP_SOURCE_BEGIN_WRITE, but keep part of original file */
     ZIP_SOURCE_ACCEPT_EMPTY,        /* whether empty files are valid archives */
     ZIP_SOURCE_GET_FILE_ATTRIBUTES, /* get additional file attributes */
-    ZIP_SOURCE_SUPPORTS_REOPEN      /* allow reading from changed entry */
+    ZIP_SOURCE_SUPPORTS_REOPEN,     /* allow reading from changed entry */
+    ZIP_SOURCE_GET_DOS_TIME         /* get last modification time in DOS format */
 };
 typedef enum zip_source_cmd zip_source_cmd_t;
 
diff --git a/libzip/Include/zipconf.h b/libzip/Include/zipconf.h
index 1c97661..9f1e77b 100644
--- a/libzip/Include/zipconf.h
+++ b/libzip/Include/zipconf.h
@@ -8,16 +8,13 @@
    based on ../cmake-zipconf.h.in.
  */
 
-#define LIBZIP_VERSION "1.10.0"
+#define LIBZIP_VERSION "1.11.4"
 #define LIBZIP_VERSION_MAJOR 1
-#define LIBZIP_VERSION_MINOR 10
-#define LIBZIP_VERSION_MICRO 0
+#define LIBZIP_VERSION_MINOR 11
+#define LIBZIP_VERSION_MICRO 4
 
 /* #undef ZIP_STATIC */
 
-#define _Nullable
-#define _Nonnull
-
 #if !defined(__STDC_FORMAT_MACROS)
 #define __STDC_FORMAT_MACROS 1
 #endif
diff --git a/libzip/Lib/zipD32.lib b/libzip/Lib/zipD32.lib
index f6e05f3..ece56e4 100644
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diff --git a/libzip/Lib/zipD32.pdb b/libzip/Lib/zipD32.pdb
index 83ce649..1a5ea6a 100644
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diff --git a/libzip/Lib/zipD64.pdb b/libzip/Lib/zipD64.pdb
index b63e44c..6093d36 100644
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diff --git a/libzip/Lib/zipR32.lib b/libzip/Lib/zipR32.lib
index 14ce1e7..35bda8e 100644
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