diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14e95f43..cffdedb7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -167,8 +167,7 @@ ENDIF()
 
 # libtiff (used by JFJochPreview in every build mode): build it ourselves. Its C++ binding
 # (tiffxx) is packaged inconsistently across distros (missing on Rocky 9) and absent on
-# Windows. Library only; the SET()s below are libtiff's own codec/tool switches. The GitHub
-# mirror is used because upstream (gitlab) is unreachable from some restricted build hosts.
+# Windows. Library only; the SET()s below are libtiff's own codec/tool switches.
 SET(jbig OFF)
 SET(zstd OFF)
 SET(lzma OFF)
@@ -177,8 +176,8 @@ SET(old-jpeg OFF)
 SET(tiff-tools OFF)
 SET(tiff-tests OFF)
 FetchContent_Declare(tiff
-        GIT_REPOSITORY https://github.com/fleon-psi/libtiff
-        GIT_TAG v4.6.0
+        GIT_REPOSITORY https://gitlab.com/libtiff/libtiff.git
+        GIT_TAG v4.7.1
         EXCLUDE_FROM_ALL)
 FetchContent_MakeAvailable(tiff)