diff --git a/requirements/requirements-ubuntu-latest_py3.11.txt b/requirements/requirements-ubuntu-latest_py3.11.txt
index f1cee928d..780c5ceba 100644
--- a/requirements/requirements-ubuntu-latest_py3.11.txt
+++ b/requirements/requirements-ubuntu-latest_py3.11.txt
@@ -24,7 +24,7 @@ contourpy==1.3.3
     # via matplotlib
 cycler==0.12.1
     # via matplotlib
-emmet-core==0.86.0rc0
+emmet-core==0.85.1
     # via mp-api (pyproject.toml)
 fonttools==4.60.1
     # via matplotlib
diff --git a/requirements/requirements-ubuntu-latest_py3.11_extras.txt b/requirements/requirements-ubuntu-latest_py3.11_extras.txt
index 06a88f27d..712cb8307 100644
--- a/requirements/requirements-ubuntu-latest_py3.11_extras.txt
+++ b/requirements/requirements-ubuntu-latest_py3.11_extras.txt
@@ -62,7 +62,7 @@ dnspython==2.8.0
     #   pymongo
 docutils==0.21.2
     # via sphinx
-emmet-core[all]==0.86.0rc0
+emmet-core[all]==0.85.1
     # via mp-api (pyproject.toml)
 execnet==2.1.1
     # via pytest-xdist
diff --git a/requirements/requirements-ubuntu-latest_py3.12.txt b/requirements/requirements-ubuntu-latest_py3.12.txt
index 0850d51ef..67ad81fcf 100644
--- a/requirements/requirements-ubuntu-latest_py3.12.txt
+++ b/requirements/requirements-ubuntu-latest_py3.12.txt
@@ -24,7 +24,7 @@ contourpy==1.3.3
     # via matplotlib
 cycler==0.12.1
     # via matplotlib
-emmet-core==0.86.0rc0
+emmet-core==0.85.1
     # via mp-api (pyproject.toml)
 fonttools==4.60.1
     # via matplotlib
diff --git a/requirements/requirements-ubuntu-latest_py3.12_extras.txt b/requirements/requirements-ubuntu-latest_py3.12_extras.txt
index 13864a7a6..ecb1765e3 100644
--- a/requirements/requirements-ubuntu-latest_py3.12_extras.txt
+++ b/requirements/requirements-ubuntu-latest_py3.12_extras.txt
@@ -62,7 +62,7 @@ dnspython==2.8.0
     #   pymongo
 docutils==0.21.2
     # via sphinx
-emmet-core[all]==0.86.0rc0
+emmet-core[all]==0.85.1
     # via mp-api (pyproject.toml)
 execnet==2.1.1
     # via pytest-xdist