diff --git a/.binder/environment.yml b/.binder/environment.yml
index fdc368c4..aaf4f84a 100644
--- a/.binder/environment.yml
+++ b/.binder/environment.yml
@@ -3,7 +3,7 @@ channels:
 dependencies:
 - hatchling =1.31.0
 - hatch-vcs =0.5.0
-- packaging =26.2
+- packaging =26.3
 - python >=3.11, <3.15
 - pydantic =2.12.5
 - pyiron_snippets =1.4.0
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 744cd01e..4d0946c5 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -3,7 +3,7 @@ channels:
 dependencies:
 - hatchling =1.31.0
 - hatch-vcs =0.5.0
-- packaging =26.2
+- packaging =26.3
 - python >=3.11, <3.15
 - pydantic =2.12.5
 - pyiron_snippets =1.4.0
diff --git a/docs/environment.yml b/docs/environment.yml
index fa833e4b..459ee636 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -9,7 +9,7 @@ dependencies:
 - versioneer
 - hatchling =1.31.0
 - hatch-vcs =0.5.0
-- packaging =26.2
+- packaging =26.3
 - python >=3.11, <3.15
 - pydantic =2.12.5
 - pyiron_snippets =1.4.0
diff --git a/pyproject.toml b/pyproject.toml
index e0cff9d5..fbd97365 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.14",
 ]
 dependencies = [
-    "packaging==26.2",
+    "packaging==26.3",
     "pydantic==2.12.5",
     "pyiron_snippets==1.4.0",
     "typing-extensions==4.16.0",