diff --git a/cmake/Modules/Packages/ML-PACE.cmake b/cmake/Modules/Packages/ML-PACE.cmake
index 9f25c9baa1..04ddeed6f2 100644
--- a/cmake/Modules/Packages/ML-PACE.cmake
+++ b/cmake/Modules/Packages/ML-PACE.cmake
@@ -1,6 +1,6 @@
-set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2021.10.25.fix.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
+set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2021.10.25.fix2.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
 
-set(PACELIB_MD5 "e0572de57039d4afedefb25707b6ceae" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
+set(PACELIB_MD5 "d1984c9d5bf88715fc20b23dcf95aa12" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
 mark_as_advanced(PACELIB_URL)
 mark_as_advanced(PACELIB_MD5)
 
diff --git a/lib/pace/Install.py b/lib/pace/Install.py
index c59c249657..165b90774e 100644
--- a/lib/pace/Install.py
+++ b/lib/pace/Install.py
@@ -15,7 +15,7 @@ from install_helpers import fullpath, geturl, checkmd5sum
 # settings
 
 thisdir = fullpath('.')
-version = 'v.2021.10.25.fix'
+version = 'v.2021.10.25.fix2'
 
 # known checksums for different PACE versions. used to validate the download.
 checksums = { \
@@ -23,7 +23,8 @@ checksums = { \
         'v.2021.4.9'      : '4db54962fbd6adcf8c18d46e1798ceb5',
         'v.2021.9.28'     : 'f98363bb98adc7295ea63974738c2a1b',
         'v.2021.10.25'    : 'a2ac3315c41a1a4a5c912bcb1bc9c5cc',
-	'v.2021.10.25.fix': 'e0572de57039d4afedefb25707b6ceae'
+        'v.2021.10.25.fix': 'e0572de57039d4afedefb25707b6ceae',
+        'v.2021.10.25.fix2': 'd1984c9d5bf88715fc20b23dcf95aa12'
         }