diff --git a/Cargo.lock b/Cargo.lock
index 78cb1c5..9e2019c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -33,9 +33,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.0.15"
+version = "4.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bf8832993da70a4c6d13c581f4463c2bdda27b9bf1c5498dc4365543abe6d6f"
+checksum = "06badb543e734a2d6568e19a40af66ed5364360b9226184926f89d229b4b4267"
 dependencies = [
  "atty",
  "bitflags",
@@ -151,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "lang-c"
-version = "0.11.0"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a402480a9a8d5a8b6348ddb87bc7e7d16a0899086b5c6ba9ff6df622e9f4692a"
+checksum = "28a07abd9aba69140d1bb484d9c05119fe2f834f9e2112f93bd61dff4fed62f6"
 
 [[package]]
 name = "libc"
@@ -178,9 +178,9 @@ checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "ordered-float"
-version = "3.2.0"
+version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "129d36517b53c461acc6e1580aeb919c8ae6708a4b1eae61c4463a615d4f0411"
+checksum = "1f74e330193f90ec45e2b257fa3ef6df087784157ac1ad2c1e71c62837b03aa7"
 dependencies = [
  "num-traits",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index fec8d46..2e47205 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,12 +29,12 @@ required-features = ["build-bin"]
 build-bin = ["clap"]
 
 [dependencies]
-clap = { version = "4.0.15", features = ["derive"], optional = true }
+clap = { version = "4.0.17", features = ["derive"], optional = true }
 thiserror = "1.0.37"
-lang-c = "0.11.0"
+lang-c = "0.14.0"
 itertools = "0.10.5"
 tempfile = "3.3.0"
-ordered-float = "3.2.0"
+ordered-float = "3.3.0"
 hexf-parse = "0.2.1"
 wait-timeout = "0.2.0"
 peg = "0.8.1"
diff --git a/src/c/parse.rs b/src/c/parse.rs
index 9a9115e..95a6bee 100644
--- a/src/c/parse.rs
+++ b/src/c/parse.rs
@@ -230,6 +230,7 @@ impl AssertSupported for DerivedDeclarator {
             Self::Function(func_decl) => func_decl.assert_supported(),
             // Support when K&R function has no parameter
             Self::KRFunction(kr_func_decl) => assert!(kr_func_decl.is_empty()),
+            Self::Block(_) => panic!("DerivedDeclarator::Block"),
         }
     }
 }
@@ -488,6 +489,7 @@ impl AssertSupported for Label {
         match self {
             Self::Identifier(_) => panic!("Label::Identifier"),
             Self::Case(_) => (),
+            Self::CaseRange(_) => panic!("Label::CaseRange"),
             Self::Default => (),
         }
     }
diff --git a/src/ir/dtype.rs b/src/ir/dtype.rs
index c31433a..a57c7c3 100644
--- a/src/ir/dtype.rs
+++ b/src/ir/dtype.rs
@@ -1117,6 +1117,7 @@ impl Dtype {
                     assert!(kr_func_decl.is_empty());
                     Self::function(self, Vec::new())
                 }
+                ast::DerivedDeclarator::Block(_) => panic!(),
             };
         }