diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 53f6016c..07bc92a7 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -11,7 +11,7 @@ dependencies:
 - numpy =1.26.3
 - scipy =1.13.1
 - spglib =2.4.0
-- phonopy =2.24.2
+- phonopy =2.24.3
 - structuretoolkit =0.0.24
 - seekpath =2.1.0
 - lammps =2023.11.21
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index bafa2feb..7eb1b362 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -6,7 +6,7 @@ dependencies:
 - numpy =1.26.4
 - scipy =1.13.1
 - spglib =2.4.0
-- phonopy =2.24.2
+- phonopy =2.24.3
 - structuretoolkit =0.0.24
 - seekpath =2.1.0
 - tqdm =4.66.4
diff --git a/binder/environment.yml b/binder/environment.yml
index 11711787..b009d288 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -5,7 +5,7 @@ dependencies:
 - numpy =1.26.4
 - scipy =1.13.1
 - spglib =2.4.0
-- phonopy =2.24.2
+- phonopy =2.24.3
 - structuretoolkit =0.0.24
 - seekpath =2.1.0
 - gpaw =24.6.0
diff --git a/pyproject.toml b/pyproject.toml
index bc7cbad5..62ccc6a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ Repository = "https://github.com/pyiron/atomistics"
 
 [project.optional-dependencies]
 phonopy = [
-    "phonopy==2.24.2",
+    "phonopy==2.24.3",
     "seekpath==2.1.0",
     "structuretoolkit==0.0.24",
 ]