diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 8949c6d936a..76efe06d0ac 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -99,7 +99,7 @@ imagesize==1.4.1
     # via sphinx
 iniconfig==2.1.0
     # via pytest
-isal==1.7.2 ; python_version < "3.14"
+isal==1.8.0 ; python_version < "3.14"
     # via
     #   -r requirements/lint.in
     #   -r requirements/test-common.in
diff --git a/requirements/dev.txt b/requirements/dev.txt
index f288c1428df..dcb72a65bf6 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -97,7 +97,7 @@ imagesize==1.4.1
     # via sphinx
 iniconfig==2.1.0
     # via pytest
-isal==1.7.2 ; python_version < "3.14"
+isal==1.8.0 ; python_version < "3.14"
     # via
     #   -r requirements/lint.in
     #   -r requirements/test-common.in
diff --git a/requirements/lint.txt b/requirements/lint.txt
index 7552660daba..c368ce52afd 100644
--- a/requirements/lint.txt
+++ b/requirements/lint.txt
@@ -39,7 +39,7 @@ idna==3.7
     # via trustme
 iniconfig==2.1.0
     # via pytest
-isal==1.7.2
+isal==1.8.0
     # via -r requirements/lint.in
 markdown-it-py==3.0.0
     # via rich
diff --git a/requirements/test.txt b/requirements/test.txt
index d3dd2278aac..3cac048ffc6 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -53,7 +53,7 @@ idna==3.4
     #   yarl
 iniconfig==2.1.0
     # via pytest
-isal==1.7.2 ; python_version < "3.14"
+isal==1.8.0 ; python_version < "3.14"
     # via -r requirements/test-common.in
 markdown-it-py==3.0.0
     # via rich