diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 9f1cb663..7912847a 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -11,7 +11,7 @@ dependencies:
 - numpy =2.5.3
 - scipy =1.18.1
 - spglib =2.7.0
-- phonopy =4.6.0
+- phonopy =4.7.2
 - structuretoolkit =0.0.47
 - seekpath =2.2.2
 - lammps =2025.07.22
diff --git a/.ci_support/environment-gpaw.yml b/.ci_support/environment-gpaw.yml
index 5bd018b2..3c8c4cd7 100644
--- a/.ci_support/environment-gpaw.yml
+++ b/.ci_support/environment-gpaw.yml
@@ -2,6 +2,6 @@ channels:
 - conda-forge
 dependencies:
 - gpaw =25.7.0
-- phonopy =4.6.0
+- phonopy =4.7.2
 - structuretoolkit =0.0.47
 - seekpath =2.2.2
diff --git a/.ci_support/environment-grace.yml b/.ci_support/environment-grace.yml
index 52be7d62..a3362e34 100644
--- a/.ci_support/environment-grace.yml
+++ b/.ci_support/environment-grace.yml
@@ -2,6 +2,6 @@ channels:
 - conda-forge
 dependencies:
 - grace-tensorpotential =0.6.1
-- phonopy =4.6.0
+- phonopy =4.7.2
 - structuretoolkit =0.0.47
 - seekpath =2.2.2
diff --git a/.ci_support/environment-mace.yml b/.ci_support/environment-mace.yml
index 2d0c6822..afbebdeb 100644
--- a/.ci_support/environment-mace.yml
+++ b/.ci_support/environment-mace.yml
@@ -3,6 +3,6 @@ channels:
 dependencies:
 - pymace =0.3.12
 - pytorch =2.5.1
-- phonopy =4.6.0
+- phonopy =4.7.2
 - structuretoolkit =0.0.47
 - seekpath =2.2.2
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index f5d79ed9..a19991db 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -7,7 +7,7 @@ dependencies:
 - mendeleev =1.3.0
 - numpy =2.5.3
 - pandas =3.0.6
-- phonopy =4.6.0
+- phonopy =4.7.2
 - requests =2.34.2
 - scipy =1.18.1
 - seekpath =2.2.2
diff --git a/binder/environment.yml b/binder/environment.yml
index 027b4a17..d786ac56 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -5,7 +5,7 @@ dependencies:
 - numpy =2.5.3
 - scipy =1.18.1
 - spglib =2.7.0
-- phonopy =4.6.0
+- phonopy =4.7.2
 - structuretoolkit =0.0.47
 - seekpath =2.2.2
 - gpaw =25.7.0
diff --git a/pyproject.toml b/pyproject.toml
index 1a920c40..8feb9234 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ Repository = "https://github.com/pyiron/atomistics"
 
 [project.optional-dependencies]
 phonopy = [
-    "phonopy==4.6.0",
+    "phonopy==4.7.2",
     "seekpath==2.2.2",
     "structuretoolkit==0.0.47",
 ]