diff --git a/mpie_cmti/environment.yml b/mpie_cmti/environment.yml
index d0d7254e..68ac5adb 100644
--- a/mpie_cmti/environment.yml
+++ b/mpie_cmti/environment.yml
@@ -14,7 +14,7 @@ dependencies:
 - jupyter-server-proxy =4.4.0
 - jupyterhub =5.2.1
 - lammps =2023.08.02=*openmpi*
-- llama-index =0.12.19
+- llama-index =0.12.21
 - matgl =1.1.2
 - maxvolpy =0.3.8
 - nbgitpuller =1.2.2
@@ -43,4 +43,3 @@ dependencies:
 - sqsgenerator =0.3
 - structdbrest =0.0.1
 - tensorflow =2.17.0
-
diff --git a/requirements.txt b/requirements.txt
index b16f276b..26a1c312 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ temmeta==0.0.6
 vtk==9.2.6
 pytorch==2.1.2
 tensorflow==2.17.0
-llama-index==0.12.19
+llama-index==0.12.21
 netcdf4==1.7.1
 maxvolpy==0.3.8
 bokeh==3.6.3