diff --git a/build-constraints.yaml b/build-constraints.yaml
index 23a334f9..37e00754 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1489,8 +1489,8 @@ packages:
         - tracing-control < 0 # https://github.com/commercialhaskell/stackage/issues/5948
         - primitive-extras
         - primitive-unlifted < 0.2
-        - stm-hamt
-        - stm-containers
+        - stm-hamt < 0 # mwc-random-0.15 https://github.com/nikita-volkov/stm-hamt/pull/2
+        - stm-containers < 0 # stm-hamt
         - stm-lifted
         - monad-primitive
         - mwc-random-monad
@@ -4486,7 +4486,7 @@ packages:
         - slynx
         - tlynx
         - elynx
-        - mcmc
+        - mcmc < 0 # mwc-random-0.15 https://github.com/dschrempf/mcmc/issues/1
         - dirichlet
         - circular
 
@@ -4824,6 +4824,7 @@ packages:
         - managed
         - math-functions
         - membrain
+        - mersenne-random
         - mersenne-random-pure64
         - mfsolve
         - microstache
@@ -4838,7 +4839,7 @@ packages:
         - mono-traversable-instances
         - mono-traversable-keys
         - multiset
-        - mwc-random < 0.15.0.0  # https://github.com/commercialhaskell/stackage/issues/5557
+        - mwc-random
         - names-th
         - nanospec
         - nettle