diff --git a/PhiML b/PhiML
index 1582deae5..ab1ffbc45 160000
--- a/PhiML
+++ b/PhiML
@@ -1 +1 @@
-Subproject commit 1582deae575b701f2bd1319c09c67623a44176a5
+Subproject commit ab1ffbc4523b9d4febe5d60bb7d0451992badb26
diff --git a/phi/VERSION b/phi/VERSION
index 21b159dc8..a4db534a2 100644
--- a/phi/VERSION
+++ b/phi/VERSION
@@ -1 +1 @@
-2.5.2
\ No newline at end of file
+2.5.3
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 86a862f24..909845b42 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
     url='https://github.com/tum-pbs/PhiFlow',
     include_package_data=True,
     install_requires=[
-        'phiml',
+        'phiml==1.2.1',
         'matplotlib>=3.5.0',  # also required by dash for color maps
         'packaging',
     ],