diff --git a/pkgs/applications/misc/skytemple/default.nix b/pkgs/applications/misc/skytemple/default.nix
index d347bb3af57f..8aa1da1568f9 100644
--- a/pkgs/applications/misc/skytemple/default.nix
+++ b/pkgs/applications/misc/skytemple/default.nix
@@ -10,13 +10,13 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "skytemple";
-  version = "1.4.7";
+  version = "1.5.4";
 
   src = fetchFromGitHub {
     owner = "SkyTemple";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-NK0yLxs7/pVpl9LCz6ggYsaUDuEAj6edBEPC+4yCxNM=";
+    hash = "sha256-brt1bNQonAjbqCsMLHgOS8leDb3Y8MWKIxV+BXoJ1lY=";
   };
 
   buildInputs = [
diff --git a/pkgs/development/python-modules/explorerscript/default.nix b/pkgs/development/python-modules/explorerscript/default.nix
index b3ecf7a3fce2..dea302fb8f3a 100644
--- a/pkgs/development/python-modules/explorerscript/default.nix
+++ b/pkgs/development/python-modules/explorerscript/default.nix
@@ -6,25 +6,37 @@
 , igraph
 , pygments
 , pytestCheckHook
+, pythonRelaxDepsHook
 }:
 
 buildPythonPackage rec {
   pname = "explorerscript";
-  version = "0.1.2";
+  version = "0.1.3";
 
   src = fetchFromGitHub {
     owner = "SkyTemple";
     repo = pname;
     rev = version;
-    sha256 = "sha256-REQYyxB2sb/gG54+OkMw+M4Agg9SWfAyqAhiSNnd3tE=";
+    sha256 = "sha256-0U5n7e/utmgOTBuTypkBMeHZR7lji6lFimSjbC7hVRM=";
   };
 
   nativeBuildInputs = [
     antlr4
+    pythonRelaxDepsHook
+  ];
+
+  pythonRelaxDeps = [
+    # antlr output is rebuilt in postPatch step.
+    "antlr4-python3-runtime"
+    # igraph > 0.10.4 was marked as incompatible by upstream
+    # due to regression introduced in 0.10.5, which was fixed
+    # in igraph 0.10.6.
+    #
+    # https://github.com/igraph/python-igraph/issues/693
+    "igraph"
   ];
 
   postPatch = ''
-    sed -i "s/antlr4-python3-runtime.*/antlr4-python3-runtime',/" setup.py
     antlr -Dlanguage=Python3 -visitor explorerscript/antlr/{ExplorerScript,SsbScript}.g4
   '';
 
diff --git a/pkgs/development/python-modules/skytemple-files/default.nix b/pkgs/development/python-modules/skytemple-files/default.nix
index fb6a49ff6204..349544f1d035 100644
--- a/pkgs/development/python-modules/skytemple-files/default.nix
+++ b/pkgs/development/python-modules/skytemple-files/default.nix
@@ -28,13 +28,13 @@
 
 buildPythonPackage rec {
   pname = "skytemple-files";
-  version = "1.4.7";
+  version = "1.5.4";
 
   src = fetchFromGitHub {
     owner = "SkyTemple";
     repo = pname;
     rev = version;
-    hash = "sha256-SLRZ9ThrH2UWqfr5BbjJKDM/SRkCfMNK70XZT4+Ks7w=";
+    hash = "sha256-RB+Cp4mL0y59/l7yu0z3jefADHR9/h0rbTZLm7BvJ7k=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/development/python-modules/skytemple-rust/default.nix b/pkgs/development/python-modules/skytemple-rust/default.nix
index 47bbf831afda..ddf1866a1056 100644
--- a/pkgs/development/python-modules/skytemple-rust/default.nix
+++ b/pkgs/development/python-modules/skytemple-rust/default.nix
@@ -13,19 +13,19 @@
 
 buildPythonPackage rec {
   pname = "skytemple-rust";
-  version = "1.4.0.post0";
+  version = "1.5.3";
 
   src = fetchFromGitHub {
     owner = "SkyTemple";
     repo = pname;
     rev = version;
-    hash = "sha256-aw57B15sDbMcdNPD8MW+O7AdqSSqjlOcuXNSm10GdPM=";
+    hash = "sha256-Txx8kQNb3ODbaJXfuHERzPx4zGUqYXzy+jbLNaMyf+w=";
   };
 
   cargoDeps = rustPlatform.fetchCargoTarball {
     inherit src;
     name = "${pname}-${version}";
-    hash = "sha256-SvHrMr5k4afVdU5nvg+bcoHVmzHYyoOYqv7nOSVxRCE=";
+    hash = "sha256-KQA8dfHnuysx9EUySJXZ/52Hfq6AbALwkBp3B1WJJuc=";
   };
 
   buildInputs = lib.optionals stdenv.isDarwin [ libiconv Foundation ];