diff --git a/package.yaml b/package.yaml
index 2b630d5..453b679 100644
--- a/package.yaml
+++ b/package.yaml
@@ -46,7 +46,7 @@ library:
     - MCSP.Heuristics
 
 dependencies:
-  - base >= 4.18 && < 5
+  - base >= 4.18.1 && < 5
   - containers >= 0.6.7 && < 1
   - deepseq >= 1.4.8.1 && < 2
   - extra >= 1.7.14 && < 2
diff --git a/stack.yaml b/stack.yaml
index a941ec7..6dd3b71 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -30,6 +30,7 @@ resolver: nightly-2023-10-01
 #   - wai
 packages:
   - .
+
 # Dependency packages to be pulled from upstream that are not in the resolver.
 # These entries can reference officially published versions as well as
 # forks / in-progress versions pinned to a git hash. For example:
@@ -54,8 +55,7 @@ extra-deps:
 # system-ghc: true
 
 # Require a specific version of Stack, using version ranges
-# require-stack-version: -any # Default
-require-stack-version: ">= 2.11"
+require-stack-version: ">= 2.13"
 
 # Override the architecture used by Stack, especially useful on Windows
 # arch: i386