diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index be5235f..f6b493b 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,8 @@
+4.0.0
+-----
+
+* Update for Gleam 0.29.
+
 3.0.0
 -----
 
diff --git a/gleam.toml b/gleam.toml
index 2135e67..4d446c4 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "glemplate"
-version = "3.0.0"
+version = "4.0.0"
 description = "A simple template engine for Gleam"
 
 # Fill out these fields if you intend to generate HTML documentation or publish
@@ -10,9 +10,9 @@ repository = { type = "gitlab", user = "Nicd", repo = "glemplate" }
 links = []
 
 [dependencies]
-gleam_stdlib = "~> 0.28.0"
+gleam_stdlib = "~> 0.29.0"
 nibble = "~> 0.2"
-glentities = "~> 3.1"
+glentities = "~> 4.0"
 
 [dev-dependencies]
 gleeunit = "~> 0.10"
diff --git a/manifest.toml b/manifest.toml
index 9109f50..a7534a2 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -2,14 +2,14 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "gleam_stdlib", version = "0.28.2", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "088E334A00C9530D4B194F31406E51B6E4E4697C6A380D11591E60CC2F239724" },
+  { name = "gleam_stdlib", version = "0.29.1", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "24581B17879AA903B3E7531869D9460730C2F772A1C02C774ABF75710CCC4CFE" },
   { name = "gleeunit", version = "0.10.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "ECEA2DE4BE6528D36AFE74F42A21CDF99966EC36D7F25DEB34D47DD0F7977BAF" },
-  { name = "glentities", version = "3.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glentities", source = "hex", outer_checksum = "2A65CB2D6BFAA8994BC6612620ED6639868E48DA74F48AF256766A8B0E1DDF23" },
+  { name = "glentities", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glentities", source = "hex", outer_checksum = "8A3A24CA243CDD212AC67B645E31467458DB0D5DD846F00C95BC1328F323BDD0" },
   { name = "nibble", version = "0.2.3", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "nibble", source = "hex", outer_checksum = "C9EB428EAC11007414C2FBA5B39F0E8DB27FDAB26534F2AD607D5AA6FCF32559" },
 ]
 
 [requirements]
-gleam_stdlib = "~> 0.28.0"
+gleam_stdlib = "~> 0.29.0"
 gleeunit = "~> 0.10"
-glentities = "~> 3.1"
+glentities = "~> 4.0"
 nibble = "~> 0.2"