diff --git a/requirements-cli.txt b/requirements-cli.txt
index 05dc08d6..3b0a20a0 100644
--- a/requirements-cli.txt
+++ b/requirements-cli.txt
@@ -6,4 +6,4 @@ packaging>=26.2
 mozjpeg-lossless-optimization>=1.2.0
 natsort>=8.4.0
 numpy>=1.22.4
-PyMuPDF>=1.18.0
+PyMuPDF<2
diff --git a/requirements-win7.txt b/requirements-win7.txt
index cbd2fe28..50010cd3 100644
--- a/requirements-win7.txt
+++ b/requirements-win7.txt
@@ -7,4 +7,4 @@ packaging>=26.2
 mozjpeg-lossless-optimization>=1.2.0
 natsort>=8.4.0
 numpy==1.23.5
-PyMuPDF>=1.16
+PyMuPDF<2
diff --git a/requirements.txt b/requirements.txt
index d706bba2..6237b9d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ packaging>=26.2
 mozjpeg-lossless-optimization>=1.2.0
 natsort>=8.4.0
 numpy>=1.22.4
-PyMuPDF>=1.18.0
+PyMuPDF<2