diff --git a/contrib/dyn_templates/Cargo.toml b/contrib/dyn_templates/Cargo.toml
index 6a226ac1..166bdf8f 100644
--- a/contrib/dyn_templates/Cargo.toml
+++ b/contrib/dyn_templates/Cargo.toml
@@ -18,7 +18,7 @@ handlebars = ["handlebars_"]
 
 [dependencies]
 glob = "0.3"
-notify = "5.0.0"
+notify = "6"
 normpath = "1"
 
 [dependencies.rocket]
diff --git a/core/codegen/Cargo.toml b/core/codegen/Cargo.toml
index 13b59390..bda61846 100644
--- a/core/codegen/Cargo.toml
+++ b/core/codegen/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.56"
 proc-macro = true
 
 [dependencies]
-indexmap = "1.0"
+indexmap = "2"
 quote = "1.0"
 syn = { version = "2.0", features = ["full", "visit", "visit-mut", "extra-traits"] }
 proc-macro2 = "1.0.27"
diff --git a/core/http/Cargo.toml b/core/http/Cargo.toml
index 41fd3813..6e3020ff 100644
--- a/core/http/Cargo.toml
+++ b/core/http/Cargo.toml
@@ -29,7 +29,7 @@ smallvec = "1.0"
 percent-encoding = "2"
 http = "0.2"
 time = { version = "0.3", features = ["formatting", "macros"] }
-indexmap = { version = "1.5.2", features = ["std"] }
+indexmap = "2"
 rustls = { version = "0.21", optional = true }
 tokio-rustls = { version = "0.24", optional = true }
 rustls-pemfile = { version = "1.0.2", optional = true }
@@ -42,7 +42,7 @@ pear = "0.2.3"
 pin-project-lite = "0.2"
 memchr = "2"
 stable-pattern = "0.1"
-cookie = { version = "=0.18.0-rc.0", features = ["percent-encode"] }
+cookie = { version = "0.18", features = ["percent-encode"] }
 state = "0.6"
 futures = { version = "0.3", default-features = false }
 
diff --git a/core/lib/Cargo.toml b/core/lib/Cargo.toml
index bed0ec8b..092e08ff 100644
--- a/core/lib/Cargo.toml
+++ b/core/lib/Cargo.toml
@@ -52,7 +52,7 @@ figment = { version = "0.10.6", features = ["toml", "env"] }
 rand = "0.8"
 either = "1"
 pin-project-lite = "0.2"
-indexmap = { version = "1.0", features = ["serde-1", "std"] }
+indexmap = { version = "2", features = ["serde"] }
 tempfile = "3"
 async-trait = "0.1.43"
 async-stream = "0.3.2"