diff --git a/.circleci/config.yml b/.circleci/config.yml
index dd1830ca6..9f0bf4b1e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 parameters:
   nightly-toolchain:
     type: string
-    default: "nightly-2021-04-24"
+    default: "nightly-2022-03-10"
 
 executors:
   default:
diff --git a/fil-proofs-param/src/bin/paramfetch.rs b/fil-proofs-param/src/bin/paramfetch.rs
index 25a1f8b02..da3d7a2b3 100644
--- a/fil-proofs-param/src/bin/paramfetch.rs
+++ b/fil-proofs-param/src/bin/paramfetch.rs
@@ -23,8 +23,8 @@ use tar::Archive;
 
 lazy_static! {
     static ref CLI_ABOUT: String = format!(
-        "Downloads missing or outdated Groth parameter files from ipfs using ipget.\n\n\
-
+        "Downloads missing or outdated Groth parameter files from ipfs using ipget.\n\
+        \n\
         Set the $FIL_PROOFS_PARAMETER_CACHE env-var to specify the path to the parameter cache
         directory (location where params are written), otherwise params will be written to '{}'.",
         parameter_cache_dir_name(),
diff --git a/rust-toolchain b/rust-toolchain
index b7921ae87..3ebf789f5 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.54.0
+1.56.0