diff --git a/.github/workflows/pkcs5.yml b/.github/workflows/pkcs5.yml
index 7ee5b0a27..cdba00ade 100644
--- a/.github/workflows/pkcs5.yml
+++ b/.github/workflows/pkcs5.yml
@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.71.0 # MSRV
+          - 1.72.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -51,7 +51,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.71.0 # MSRV
+          - 1.72.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v4
diff --git a/pkcs5/Cargo.toml b/pkcs5/Cargo.toml
index 8bbc359f2..94fb4d9fc 100644
--- a/pkcs5/Cargo.toml
+++ b/pkcs5/Cargo.toml
@@ -13,7 +13,7 @@ categories = ["cryptography", "data-structures", "encoding", "no-std"]
 keywords = ["crypto", "key", "pkcs", "password"]
 readme = "README.md"
 edition = "2021"
-rust-version = "1.71"
+rust-version = "1.72"
 
 [dependencies]
 der = { version = "=0.8.0-pre.0", features = ["oid"] }