diff --git a/test/test_perfs.py b/test/test_perfs.py
index d34e57410..5bc9755b3 100644
--- a/test/test_perfs.py
+++ b/test/test_perfs.py
@@ -7,7 +7,7 @@
 HERE = Path(__file__).resolve().parent
 
 
-@ensure_exec_time_below(seconds=8)
+@ensure_exec_time_below(seconds=9)
 @ensure_rss_memory_below(mib=8)
 def test_intense_image_rendering():
     png_file_paths = []
diff --git a/test/text/test_cell.py b/test/text/test_cell.py
index 3d69b18f8..fb6a1d66b 100644
--- a/test/text/test_cell.py
+++ b/test/text/test_cell.py
@@ -319,7 +319,7 @@ def test_cell_deprecated_txt_arg():
         pdf.cell(txt="Lorem ipsum Ut nostrud irure")
 
 
-@ensure_exec_time_below(seconds=22)
+@ensure_exec_time_below(seconds=24)
 @ensure_rss_memory_below(mib=1)
 def test_cell_speed_with_long_text():  # issue #907
     pdf = FPDF()