diff --git a/INSTALL.md b/INSTALL.md
index 0e573bb050..1b8a5de202 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -41,7 +41,7 @@ Both methods are supported. However, for most users we _strongly_ recommend to b
   - Boost.Test: header-only or (optionally) as a compiled library, *only used for unit testing*
   - Boost.Range: header-only, *only used for unit testing*
 - [Range-V3](https://github.com/ericniebler/range-v3.git) -- a Ranges library that served as the basis for Ranges component of C++20 and later.
-- [BTAS](http://github.com/ValeevGroup/BTAS), tag 4b3757cc2b5862f93589afc1e37523e543779c7a . If usable BTAS installation is not found, TiledArray will download and compile
+- [BTAS](http://github.com/ValeevGroup/BTAS), tag 1cfcb12647c768ccd83b098c64cda723e1275e49 . If usable BTAS installation is not found, TiledArray will download and compile
   BTAS from source. *This is the recommended way to compile BTAS for all users*.
 - [MADNESS](https://github.com/m-a-d-n-e-s-s/madness), tag 95589b0d020a076f93d02eead6da654b23dd3d91 .
   Only the MADworld runtime and BLAS/LAPACK C API component of MADNESS is used by TiledArray.
diff --git a/external/versions.cmake b/external/versions.cmake
index 3363908bf3..6c87fa5a72 100644
--- a/external/versions.cmake
+++ b/external/versions.cmake
@@ -16,8 +16,8 @@ set(TA_TRACKED_MADNESS_PREVIOUS_TAG 96ac90e8f193ccfaf16f346b4652927d2d362e75)
 set(TA_TRACKED_MADNESS_VERSION 0.10.1)
 set(TA_TRACKED_MADNESS_PREVIOUS_VERSION 0.10.1)
 
-set(TA_TRACKED_BTAS_TAG 4b3757cc2b5862f93589afc1e37523e543779c7a)
-set(TA_TRACKED_BTAS_PREVIOUS_TAG 4e8f5233aa7881dccdfcc37ce07128833926d3c2)
+set(TA_TRACKED_BTAS_TAG 1cfcb12647c768ccd83b098c64cda723e1275e49)
+set(TA_TRACKED_BTAS_PREVIOUS_TAG 4b3757cc2b5862f93589afc1e37523e543779c7a)
 
 set(TA_TRACKED_LIBRETT_TAG 6eed30d4dd2a5aa58840fe895dcffd80be7fbece)
 set(TA_TRACKED_LIBRETT_PREVIOUS_TAG 354e0ccee54aeb2f191c3ce2c617ebf437e49d83)