diff --git a/.github/workflows/rust.yaml b/.github/workflows/rust.yaml
index 8e2a0a008..e6e522820 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/rust.yaml
@@ -136,7 +136,7 @@ jobs:
     timeout-minutes: 30
     env:
       CARGO_MSRV_VERSION: 0.16.0-beta.20
-      MSRV: 1.72
+      MSRV: 1.71.1
     strategy:
       matrix:
         param:
diff --git a/Cargo.toml b/Cargo.toml
index 71fb83d71..451d10509 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ exclude = [
 version      = "0.52.0"
 license      = "Apache-2.0"
 edition      = "2021"
-rust-version = "1.72"
+rust-version = "1.71.1"
 readme       = "README.md"
 repository   = "https://github.com/cosmos/ibc-rs"
 authors      = ["Informal Systems <hello@informal.systems>"]
diff --git a/clippy.toml b/clippy.toml
index 24256e918..76e4dff64 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -7,4 +7,4 @@ disallowed-types = [
 disallowed-methods = [
     "std::time::Duration::as_secs_f64",
 ]
-msrv = "1.72"
+msrv = "1.71.1"