diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 641342f9b..e8710d014 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,15 +21,17 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        rust: ["stable", "1.70"]
+        rust: ["stable", "1.83"]
         flags: ["", "--all-features"]
         exclude:
           # Skip because some features have higher MSRV.
-          - rust: "1.70" # MSRV
+          - rust: "1.83" # MSRV
             flags: "--all-features"
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
       - name: Install test binaries
         shell: bash
         run: ./.github/scripts/install_test_binaries.sh
@@ -38,11 +40,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           cache-on-failure: true
-      - name: build
-        if: matrix.rust == '1.70' # MSRV
-        run: cargo build --workspace ${{ matrix.flags }}
       - name: test
-        if: matrix.rust != '1.70' # MSRV
         shell: bash
         run: cargo nextest run ${{ matrix.flags }} --retries 2
 
diff --git a/Cargo.toml b/Cargo.toml
index 5b7879136..d40d4d9c3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ resolver = "2"
 [workspace.package]
 authors = ["Foundry Maintainers"]
 version = "0.12.3"
-rust-version = "1.70"
+rust-version = "1.83"
 readme = "README.md"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/foundry-rs/compilers"
diff --git a/README.md b/README.md
index 88cb13f50..70e1f88f0 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ When updating this, also update:
 
 Foundry Compilers will keep a rolling MSRV (minimum supported rust version) policy of **at
 least** 6 months. When increasing the MSRV, the new Rust version must have been
-released at least six months ago. The current MSRV is 1.70.0.
+released at least six months ago. The current MSRV is 1.83.0.
 
 Note that the MSRV is not increased automatically, and only as part of a minor
 release.
diff --git a/clippy.toml b/clippy.toml
index 5d37e5d80..f234c9014 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -1 +1 @@
-msrv = "1.70"
+msrv = "1.83"
diff --git a/crates/artifacts/solc/src/error.rs b/crates/artifacts/solc/src/error.rs
index bdde31d08..78453cd6f 100644
--- a/crates/artifacts/solc/src/error.rs
+++ b/crates/artifacts/solc/src/error.rs
@@ -150,9 +150,11 @@ impl fmt::Display for Error {
         // unless it also contains a source location, in which case the entire error message is an
         // old style error message, like:
         //     path/to/file:line:column: ErrorType: message
-        if lines.clone().next().map_or(false, |l| {
-            l.contains(short_msg) && l.bytes().filter(|b| *b == b':').count() < 3
-        }) {
+        if lines
+            .clone()
+            .next()
+            .is_some_and(|l| l.contains(short_msg) && l.bytes().filter(|b| *b == b':').count() < 3)
+        {
             let _ = lines.next();
         }
 
diff --git a/crates/artifacts/solc/src/lib.rs b/crates/artifacts/solc/src/lib.rs
index a04da256b..6437181d0 100644
--- a/crates/artifacts/solc/src/lib.rs
+++ b/crates/artifacts/solc/src/lib.rs
@@ -110,9 +110,9 @@ impl SolcInput {
         let mut yul_sources = Sources::new();
 
         for (file, source) in sources {
-            if file.extension().map_or(false, |e| e == "yul") {
+            if file.extension().is_some_and(|e| e == "yul") {
                 yul_sources.insert(file, source);
-            } else if file.extension().map_or(false, |e| e == "sol") {
+            } else if file.extension().is_some_and(|e| e == "sol") {
                 solidity_sources.insert(file, source);
             }
         }
diff --git a/crates/artifacts/solc/src/output_selection.rs b/crates/artifacts/solc/src/output_selection.rs
index e39e28d05..99beb3e0b 100644
--- a/crates/artifacts/solc/src/output_selection.rs
+++ b/crates/artifacts/solc/src/output_selection.rs
@@ -149,9 +149,9 @@ impl OutputSelection {
     /// TODO: correctly process wildcard keys to reduce false negatives
     pub fn is_subset_of(&self, other: &Self) -> bool {
         self.0.iter().all(|(file, selection)| {
-            other.0.get(file).map_or(false, |other_selection| {
+            other.0.get(file).is_some_and(|other_selection| {
                 selection.iter().all(|(contract, outputs)| {
-                    other_selection.get(contract).map_or(false, |other_outputs| {
+                    other_selection.get(contract).is_some_and(|other_outputs| {
                         outputs.iter().all(|output| other_outputs.contains(output))
                     })
                 })
diff --git a/crates/artifacts/vyper/src/input.rs b/crates/artifacts/vyper/src/input.rs
index 7b99b79ae..9b1b17d74 100644
--- a/crates/artifacts/vyper/src/input.rs
+++ b/crates/artifacts/vyper/src/input.rs
@@ -22,7 +22,7 @@ impl VyperInput {
         let mut interfaces = Sources::new();
 
         for (path, content) in sources {
-            if path.extension().map_or(false, |ext| ext == VYPER_INTERFACE_EXTENSION) {
+            if path.extension().is_some_and(|ext| ext == VYPER_INTERFACE_EXTENSION) {
                 // Interface .vyi files should be removed from the output selection.
                 settings.output_selection.0.remove(path.to_string_lossy().as_ref());
                 interfaces.insert(path, content);
diff --git a/crates/compilers/src/cache.rs b/crates/compilers/src/cache.rs
index 21a738d7e..17777e66e 100644
--- a/crates/compilers/src/cache.rs
+++ b/crates/compilers/src/cache.rs
@@ -616,7 +616,7 @@ impl GroupedSources {
 
     /// Returns true if the file was included with the given version.
     pub fn contains(&self, file: &Path, version: &Version) -> bool {
-        self.inner.get(file).map_or(false, |versions| versions.contains(version))
+        self.inner.get(file).is_some_and(|versions| versions.contains(version))
     }
 }
 
@@ -783,9 +783,7 @@ impl<T: ArtifactOutput, C: Compiler> ArtifactsCacheInner<'_, T, C> {
 
         let mut dirty_profiles = HashSet::new();
         for (profile, settings) in &self.cache.profiles {
-            if !existing_profiles
-                .get(profile.as_str())
-                .map_or(false, |p| p.can_use_cached(settings))
+            if !existing_profiles.get(profile.as_str()).is_some_and(|p| p.can_use_cached(settings))
             {
                 trace!("dirty profile: {}", profile);
                 dirty_profiles.insert(profile.clone());
diff --git a/crates/compilers/src/compile/output/mod.rs b/crates/compilers/src/compile/output/mod.rs
index 4c2eb9c44..193ef1dd4 100644
--- a/crates/compilers/src/compile/output/mod.rs
+++ b/crates/compilers/src/compile/output/mod.rs
@@ -872,7 +872,7 @@ impl<C: Compiler> AggregatedCompilerOutput<C> {
 
         self.contracts.contracts_with_files().filter(|(path, _, _)| *path == contract_path).any(
             |(_, _, contract)| {
-                contract.abi.as_ref().map_or(false, |abi| abi.functions.contains_key("IS_TEST"))
+                contract.abi.as_ref().is_some_and(|abi| abi.functions.contains_key("IS_TEST"))
             },
         )
     }
diff --git a/crates/compilers/src/compilers/solc/mod.rs b/crates/compilers/src/compilers/solc/mod.rs
index d3aebcd6f..218d51cc9 100644
--- a/crates/compilers/src/compilers/solc/mod.rs
+++ b/crates/compilers/src/compilers/solc/mod.rs
@@ -201,8 +201,8 @@ impl<V: Ord + Copy> Restriction<V> {
     ///
     /// If given None, only returns true if no restrictions are set
     pub fn satisfies(&self, value: Option<V>) -> bool {
-        self.min.map_or(true, |min| value.map_or(false, |v| v >= min))
-            && self.max.map_or(true, |max| value.map_or(false, |v| v <= max))
+        self.min.is_none_or(|min| value.is_some_and(|v| v >= min))
+            && self.max.is_none_or(|max| value.is_some_and(|v| v <= max))
     }
 
     /// Combines two restrictions into a new one
@@ -346,7 +346,7 @@ impl CompilerSettings for SolcSettings {
         // Ensure that we either don't have min optimizer runs set or that the optimizer is enabled
         satisfies &= optimizer_runs
             .min
-            .map_or(true, |min| min == 0 || self.optimizer.enabled.unwrap_or_default());
+            .is_none_or(|min| min == 0 || self.optimizer.enabled.unwrap_or_default());
 
         satisfies
     }
diff --git a/crates/compilers/src/filter.rs b/crates/compilers/src/filter.rs
index 9038e50c6..119d96744 100644
--- a/crates/compilers/src/filter.rs
+++ b/crates/compilers/src/filter.rs
@@ -142,7 +142,7 @@ impl<'a> SparseOutputFilter<'a> {
             .collect();
 
         // Remove clean sources, those will be read from cache.
-        full_compilation.retain(|file| sources.0.get(file).map_or(false, |s| s.is_dirty()));
+        full_compilation.retain(|file| sources.0.get(file).is_some_and(|s| s.is_dirty()));
 
         settings.update_output_selection(|selection| {
             trace!(
diff --git a/crates/compilers/src/lib.rs b/crates/compilers/src/lib.rs
index 26f1c085e..d273cbe8c 100644
--- a/crates/compilers/src/lib.rs
+++ b/crates/compilers/src/lib.rs
@@ -403,7 +403,7 @@ impl<T: ArtifactOutput, C: Compiler> Project<C, T> {
     {
         let mut contracts = self.collect_contract_names()?;
 
-        if contracts.get(target_name).map_or(true, |paths| paths.is_empty()) {
+        if contracts.get(target_name).is_none_or(|paths| paths.is_empty()) {
             return Err(SolcError::msg(format!("No contract found with the name `{target_name}`")));
         }
         let mut paths = contracts.remove(target_name).unwrap();
diff --git a/crates/compilers/src/resolver/parse.rs b/crates/compilers/src/resolver/parse.rs
index d4e270908..adaf96d3a 100644
--- a/crates/compilers/src/resolver/parse.rs
+++ b/crates/compilers/src/resolver/parse.rs
@@ -45,7 +45,7 @@ impl SolData {
     /// This will attempt to parse the solidity AST and extract the imports and version pragma. If
     /// parsing fails, we'll fall back to extract that info via regex
     pub fn parse(content: &str, file: &Path) -> Self {
-        let is_yul = file.extension().map_or(false, |ext| ext == "yul");
+        let is_yul = file.extension().is_some_and(|ext| ext == "yul");
         let mut version = None;
         let mut experimental = None;
         let mut imports = Vec::<Spanned<SolImport>>::new();