diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 9d9508460..ba201bb2e 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -15,7 +15,7 @@ dependencies:
 - mp-api =0.42.2
 - numpy =1.26.4
 - pandas =2.2.2
-- phonopy =2.26.6
+- phonopy =2.27.0
 - pint =0.24.3
 - pyiron_base =0.10.1
 - pyiron_snippets =0.1.4
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index ca5ffb733..10ff6231a 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -13,7 +13,7 @@ dependencies:
 - mp-api =0.42.2
 - numpy =1.26.4
 - pandas =2.2.2
-- phonopy =2.26.6
+- phonopy =2.27.0
 - pint =0.24.3
 - pyiron_base =0.10.1
 - pyiron_snippets =0.1.4
diff --git a/binder/environment.yml b/binder/environment.yml
index 912be19e1..01936a19b 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -11,7 +11,7 @@ dependencies:
 - mp-api =0.42.2
 - numpy =1.26.4
 - pandas =2.2.2
-- phonopy =2.26.6
+- phonopy =2.27.0
 - pint =0.24.3
 - pyiron_base =0.10.1
 - pyiron_snippets =0.1.4
diff --git a/pyproject.toml b/pyproject.toml
index 182d16b92..bd7a2ef7c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "mp-api==0.42.2",
     "numpy==1.26.4",
     "pandas==2.2.2",
-    "phonopy==2.26.6",
+    "phonopy==2.27.0",
     "pint==0.24.3",
     "pyiron_base==0.10.1",
     "pyiron_snippets==0.1.4",