diff --git a/compiler/cl-ast/src/format.rs b/compiler/cl-ast/src/format.rs
index 9db5e9e..d93138a 100644
--- a/compiler/cl-ast/src/format.rs
+++ b/compiler/cl-ast/src/format.rs
@@ -3,15 +3,15 @@ use std::fmt::Write;
 
 impl<W: Write + ?Sized> FmtAdapter for W {}
 pub trait FmtAdapter: Write {
-    fn indent(&mut self) -> Indent<Self> {
+    fn indent(&mut self) -> Indent<'_, Self> {
         Indent { f: self }
     }
 
-    fn delimit(&mut self, delim: Delimiters) -> Delimit<Self> {
+    fn delimit(&mut self, delim: Delimiters) -> Delimit<'_, Self> {
         Delimit::new(self, delim)
     }
 
-    fn delimit_with(&mut self, open: &'static str, close: &'static str) -> Delimit<Self> {
+    fn delimit_with(&mut self, open: &'static str, close: &'static str) -> Delimit<'_, Self> {
         Delimit::new(self, Delimiters { open, close })
     }
 }
diff --git a/compiler/cl-interpret/src/env.rs b/compiler/cl-interpret/src/env.rs
index af0d303..6c7a8e1 100644
--- a/compiler/cl-interpret/src/env.rs
+++ b/compiler/cl-interpret/src/env.rs
@@ -159,7 +159,7 @@ impl Environment {
     /// Enters a nested scope, returning a [`Frame`] stack-guard.
     ///
     /// [`Frame`] implements Deref/DerefMut for [`Environment`].
-    pub fn frame(&mut self, name: &'static str) -> Frame {
+    pub fn frame(&mut self, name: &'static str) -> Frame<'_> {
         Frame::new(self, name)
     }
 
diff --git a/compiler/cl-interpret/src/function.rs b/compiler/cl-interpret/src/function.rs
index 985b33b..39cd711 100644
--- a/compiler/cl-interpret/src/function.rs
+++ b/compiler/cl-interpret/src/function.rs
@@ -33,7 +33,7 @@ impl Function {
     pub fn decl(&self) -> &FnDecl {
         &self.decl
     }
-    pub fn upvars(&self) -> Ref<Upvars> {
+    pub fn upvars(&self) -> Ref<'_, Upvars> {
         self.upvars.borrow()
     }
     pub fn lift_upvars(&self, env: &Environment) {
diff --git a/compiler/cl-interpret/src/lib.rs b/compiler/cl-interpret/src/lib.rs
index 8665490..7311e0f 100644
--- a/compiler/cl-interpret/src/lib.rs
+++ b/compiler/cl-interpret/src/lib.rs
@@ -328,7 +328,7 @@ pub mod collector {
             self.env.modules().get(self.module)
         }
 
-        pub fn as_node_mut(&mut self) -> ModuleNodeMut {
+        pub fn as_node_mut(&mut self) -> ModuleNodeMut<'_> {
             self.env.modules_mut().get_mut(self.module)
         }
 
diff --git a/compiler/cl-repl/examples/yaml.rs b/compiler/cl-repl/examples/yaml.rs
index c18bdce..a80fa65 100644
--- a/compiler/cl-repl/examples/yaml.rs
+++ b/compiler/cl-repl/examples/yaml.rs
@@ -54,7 +54,7 @@ pub mod yamler {
             Self::default()
         }
 
-        pub fn indent(&mut self) -> Section {
+        pub fn indent(&mut self) -> Section<'_> {
             Section::new(self)
         }
 
@@ -80,7 +80,7 @@ pub mod yamler {
         }
 
         /// Prints a section header and increases indentation
-        pub fn key(&mut self, name: impl Yamlify) -> Section {
+        pub fn key(&mut self, name: impl Yamlify) -> Section<'_> {
             println!();
             self.print_indentation(&mut std::io::stdout().lock());
             print!("  ");