diff --git a/www/nextcloud-client/Portfile b/www/nextcloud-client/Portfile
index 017750883546a..e5f73918b68bb 100644
--- a/www/nextcloud-client/Portfile
+++ b/www/nextcloud-client/Portfile
@@ -7,10 +7,10 @@ PortGroup               compiler_blacklist_versions 1.0
 PortGroup               github 1.0
 
 epoch                   1
-github.setup            nextcloud desktop 3.4.4 v
-checksums               rmd160  3a1a6ec0bf29efd43f23b4b731935e26cd7f3284 \
-                        sha256  8a3f60a3f7f35f6dbbf975216e194989631596554c09b89b6e38325210585663 \
-                        size    14352115
+github.setup            nextcloud desktop 3.5.2 v
+checksums               rmd160  8175c77b5ad78618740ada31b7531ef57f87a5fb \
+                        sha256  161d82a4db5faabf3c69266b7b3aea1073ad98d14db6e3381fa1ae2a8fdef829 \
+                        size    15432939
 revision                0
 
 name                    nextcloud-client
@@ -41,6 +41,11 @@ patchfiles              patch-use-system-sqlite.diff \
                         patch-no-deployqt.diff \
                         patch-remove-inkscape.diff
 
+# Fix builds pre macOS 11 - may be removed in future release
+# Note that upstream patch doesn't work as-is; required updating to use preprocessor block, rather than runtime
+# https://github.com/nextcloud/desktop/pull/4563/commits/4bdfe5927051741584b86ba6c45054f0679357d4
+patchfiles-append       patch-fix-build-pre-macos-11.diff
+
 cmake.install_prefix    ${applications_dir}
 
 configure.args-append   -DCMAKE_INSTALL_NAME_DIR=${applications_dir}/Nextcloud.app/Contents/MacOS \
diff --git a/www/nextcloud-client/files/patch-fix-build-pre-macos-11.diff b/www/nextcloud-client/files/patch-fix-build-pre-macos-11.diff
new file mode 100644
index 0000000000000..e742bcebc04c6
--- /dev/null
+++ b/www/nextcloud-client/files/patch-fix-build-pre-macos-11.diff
@@ -0,0 +1,19 @@
+--- src/gui/systray.mm.orig	2022-07-11 15:31:05.040339481 -0400
++++ src/gui/systray.mm	2022-07-11 15:32:04.592952997 -0400
+@@ -18,11 +18,11 @@
+     willPresentNotification:(UNNotification *)notification
+     withCompletionHandler:(void (^)(UNNotificationPresentationOptions options))completionHandler
+ {
+-    if (@available(macOS 11.0, *)) {
+-        completionHandler(UNNotificationPresentationOptionSound + UNNotificationPresentationOptionBanner);
+-    } else {
+-        completionHandler(UNNotificationPresentationOptionSound + UNNotificationPresentationOptionAlert);
+-    }
++#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 110000
++    completionHandler(UNNotificationPresentationOptionSound + UNNotificationPresentationOptionBanner);
++#else
++    completionHandler(UNNotificationPresentationOptionSound + UNNotificationPresentationOptionAlert);
++#endif
+ }
+ 
+ - (void)userNotificationCenter:(UNUserNotificationCenter *)center