diff --git a/CHANGES.md b/CHANGES.md
index 2ae58596..b3b5a468 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## 0.1.5 (2021-10-8)
+
+- Disable LTO build of CPython in release mode. Turning on LTO turns out to be rather detrimental to link time when building downstream binaries. 
+
 ## 0.1.4 (2021-10-5)
 
 - Bump the bundled CPython version to 3.10.0
diff --git a/lib/taglessFinal/dune b/lib/taglessFinal/dune
index 289a3402..ef4064f6 100644
--- a/lib/taglessFinal/dune
+++ b/lib/taglessFinal/dune
@@ -2,15 +2,9 @@
  vendor/Modules
  (dirs :standard _*))
 
-(env
- (release
-  (env-vars
-   (CPYTHON_CONFIGURE_OPTION --with-lto))))
-
 (rule
  (deps
-  (source_tree vendor)
-  (env_var CPYTHON_CONFIGURE_OPTION))
+  (source_tree vendor))
  (targets libpython.a pyconfig.h)
  (action
   (no-infer
@@ -21,7 +15,7 @@
       MACOSX_DEPLOYMENT_TARGET
       11.0
       (progn
-       (system "./configure $CPYTHON_CONFIGURE_OPTION")
+       (run ./configure)
        (run make libpython3.10.a))))
     (copy vendor/libpython3.10.a libpython.a)
     (copy vendor/pyconfig.h pyconfig.h)))))