diff --git a/ports/zstr/CONTROL b/ports/zstr/CONTROL
index fe7e50c847c..0dfa225228c 100644
--- a/ports/zstr/CONTROL
+++ b/ports/zstr/CONTROL
@@ -1,3 +1,3 @@
 Source: zstr
-Version: 1.0.1
+Version: 1.0.4
 Description: This C++ header-only library enables the use of C++ standard iostreams to access ZLib-compressed streams.
\ No newline at end of file
diff --git a/ports/zstr/portfile.cmake b/ports/zstr/portfile.cmake
index a2085ef94dd..b44ddc3ebe2 100644
--- a/ports/zstr/portfile.cmake
+++ b/ports/zstr/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
   OUT_SOURCE_PATH SOURCE_PATH
   REPO mateidavid/zstr
-  REF v1.0.1
-  SHA512 616df2394c41038bc8512748a6a699cb45310ff518e75f591c7f957d6ab3da66a384755a6015c3eb588b576940cbff429ff9798985c452b6eda6e22f94dfb264
+  REF v1.0.4
+  SHA512 148dd7741747917d826f0caf291730e14317c700961bec6ae360c1f6a3988d5db555c36428c9641fba3cd76a63b5880dce6b2af47a4388c5451bddce45c39944
   HEAD_REF master
 )