diff --git a/Cargo.lock b/Cargo.lock
index 5578334e22..7513abf17c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -592,7 +592,7 @@ dependencies = [
  "profile",
  "project-model",
  "ra-ap-rustc_abi",
- "ra-ap-rustc_index 0.21.0",
+ "ra-ap-rustc_index",
  "ra-ap-rustc_pattern_analysis",
  "rustc-hash",
  "scoped-tls",
@@ -1419,26 +1419,15 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_abi"
-version = "0.21.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7816f980fab89e878ff2e916e2077d484e3aa1c619a3cc982c8a417c3dfe45fa"
+checksum = "8ce9100fc66c6c60aeeb076868ead9c2eaa65d6a5a90404f08c242327a92ff4b"
 dependencies = [
- "bitflags 1.3.2",
- "ra-ap-rustc_index 0.21.0",
+ "bitflags 2.4.1",
+ "ra-ap-rustc_index",
  "tracing",
 ]
 
-[[package]]
-name = "ra-ap-rustc_index"
-version = "0.21.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8352918d61aa4afab9f2ed7314cf638976b20949b3d61d2f468c975b0d251f24"
-dependencies = [
- "arrayvec",
- "ra-ap-rustc_index_macros 0.21.0",
- "smallvec",
-]
-
 [[package]]
 name = "ra-ap-rustc_index"
 version = "0.33.0"
@@ -1446,22 +1435,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5313d7f243b63ef9e58d94355b11aa8499f1328055f1f58adf0a5ea7d2faca"
 dependencies = [
  "arrayvec",
- "ra-ap-rustc_index_macros 0.33.0",
+ "ra-ap-rustc_index_macros",
  "smallvec",
 ]
 
-[[package]]
-name = "ra-ap-rustc_index_macros"
-version = "0.21.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66a9424018828155a3e3596515598f90e68427d8f35eff6df7f0856c73fc58a8"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.39",
- "synstructure",
-]
-
 [[package]]
 name = "ra-ap-rustc_index_macros"
 version = "0.33.0"
@@ -1490,7 +1467,7 @@ version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab62fc925612374103b4f178da347b535b35d9eb1ff5ba42105c990b2e25a164"
 dependencies = [
- "ra-ap-rustc_index 0.33.0",
+ "ra-ap-rustc_index",
  "ra-ap-rustc_lexer",
 ]
 
@@ -1501,7 +1478,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c4085e0c771fd4b883930b599ef42966b855762bbe4052c17673b3253421a6d"
 dependencies = [
  "derivative",
- "ra-ap-rustc_index 0.33.0",
+ "ra-ap-rustc_index",
  "rustc-hash",
  "rustc_apfloat",
  "smallvec",
diff --git a/Cargo.toml b/Cargo.toml
index 478304c709..56db5a28c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -81,8 +81,8 @@ vfs = { path = "./crates/vfs", version = "0.0.0" }
 
 ra-ap-rustc_lexer = { version = "0.33.0", default-features = false }
 ra-ap-rustc_parse_format = { version = "0.33.0", default-features = false }
-ra-ap-rustc_index = { version = "0.21.0", default-features = false }
-ra-ap-rustc_abi = { version = "0.21.0", default-features = false }
+ra-ap-rustc_index = { version = "0.33.0", default-features = false }
+ra-ap-rustc_abi = { version = "0.33.0", default-features = false }
 ra-ap-rustc_pattern_analysis = { version = "0.33.0", default-features = false }
 
 # local crates that aren't published to crates.io. These should not have versions.