diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc7e266048..4636033002 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,9 @@ domain or a list of domains in any of the following ways:
   + You can customize the II url and derivationOrigin via URL parameter `ii` and `origin` respectively.
 - Update with the new profiling API
 
+### Motoko
+
+Updated Motoko to [0.10.3](https://github.com/dfinity/motoko/releases/tag/0.10.3)
 
 # 0.15.2
 
diff --git a/nix/sources.json b/nix/sources.json
index 5793f4efa5..27451cdae7 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -6,10 +6,10 @@
         "homepage": "https://rustsec.org",
         "owner": "RustSec",
         "repo": "advisory-db",
-        "rev": "3338fcfb59cea5fcd7d2a4e7fe24cbc7cb778003",
-        "sha256": "0fw5xrzafv061jj3lzrnqarbjcm1irzvl338yhkzw1k8firmki7d",
+        "rev": "a5fb72de318a74eb69a2c241c0e46705684a35d0",
+        "sha256": "1cypbsjjv6c1azi3lhh8gf368c0zilrddpnf2mi0qym9hj1by7dz",
         "type": "tarball",
-        "url": "https://github.com/RustSec/advisory-db/archive/3338fcfb59cea5fcd7d2a4e7fe24cbc7cb778003.tar.gz",
+        "url": "https://github.com/RustSec/advisory-db/archive/a5fb72de318a74eb69a2c241c0e46705684a35d0.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "canister_sandbox-x86_64-darwin": {
@@ -160,27 +160,27 @@
         "builtin": false,
         "description": "The Motoko base library",
         "owner": "dfinity",
-        "sha256": "12z4mr3r63nnncjqxrsxjhr1z2p8adg7zp48wbacb42jhs0mkfvl",
+        "sha256": "0x78h0xy31jdsinrhfa0hb9xyggs3cbn5jfxxy30gfjc4a6j04p1",
         "type": "tarball",
-        "url": "https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-base-library.tar.gz",
+        "url": "https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-base-library.tar.gz",
         "url_template": "https://github.com/dfinity/motoko/releases/download/<version>/motoko-base-library.tar.gz",
-        "version": "0.10.2"
+        "version": "0.10.3"
     },
     "motoko-x86_64-darwin": {
         "builtin": false,
-        "sha256": "1x49qwzrxc6dj5gik2hpi8l3xdnggqj2v9yvb6sfb7ff6gx3avc6",
+        "sha256": "0ws8i03fvq42zkjrlwlmz67p2dfm7wzng3ilm3gg5igfpqrvvf2w",
         "type": "file",
-        "url": "https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-Darwin-x86_64-0.10.2.tar.gz",
+        "url": "https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-Darwin-x86_64-0.10.3.tar.gz",
         "url_template": "https://github.com/dfinity/motoko/releases/download/<version>/motoko-Darwin-x86_64-<version>.tar.gz",
-        "version": "0.10.2"
+        "version": "0.10.3"
     },
     "motoko-x86_64-linux": {
         "builtin": false,
-        "sha256": "1a1yv2awrd053qk3h9a34y887j2vfhb0ckrk25kjjx4ifdygp8ys",
+        "sha256": "1h19zkw49qwi8q9sllizpyy84ibgaq85i6p0jc6n8fr5gdy0bs7q",
         "type": "file",
-        "url": "https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-Linux-x86_64-0.10.2.tar.gz",
+        "url": "https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-Linux-x86_64-0.10.3.tar.gz",
         "url_template": "https://github.com/dfinity/motoko/releases/download/<version>/motoko-Linux-x86_64-<version>.tar.gz",
-        "version": "0.10.2"
+        "version": "0.10.3"
     },
     "replica-x86_64-darwin": {
         "builtin": false,
diff --git a/src/dfx/assets/dfx-asset-sources.toml b/src/dfx/assets/dfx-asset-sources.toml
index 41c18e690d..225a8f6448 100644
--- a/src/dfx/assets/dfx-asset-sources.toml
+++ b/src/dfx/assets/dfx-asset-sources.toml
@@ -30,8 +30,8 @@ url = 'https://download.dfinity.systems/ic/69e1408347723dbaa7a6cd2faa9b65c42abbe
 sha256 = '1f33354049b6c83c8be06344d913a8bcfdb61ba9234706a8bf3cdb3d620723ab'
 
 [x86_64-darwin.motoko]
-url = 'https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-Darwin-x86_64-0.10.2.tar.gz'
-sha256 = '866d35fa33ce9de5b459dba72d247ecfb63e288a178a195f91cdb09e3fc789f4'
+url = 'https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-Darwin-x86_64-0.10.3.tar.gz'
+sha256 = '5cb8bd33beeec5f2dea8348e673f3fd535718ff995729ae5fc82e0ed06884873'
 # The replica and canister_sandbox binaries must have the same revision.
 
 [x86_64-darwin.replica]
@@ -52,8 +52,8 @@ url = 'https://download.dfinity.systems/ic/69e1408347723dbaa7a6cd2faa9b65c42abbe
 sha256 = '04d06a093913ef59d9d4c7cdc14a0751cff6465384d60204e03d5f396edfb38b'
 
 [x86_64-darwin.motoko-base]
-url = 'https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-base-library.tar.gz'
-sha256 = 'cfa7950a3f452b0d8f42320061be09176a7aecee5a7851d913a1517a8116fd46'
+url = 'https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-base-library.tar.gz'
+sha256 = '3ee345fb0357ee9305e911d8aa30a00675114c3247af79bb16b8c21f8477dc3c'
 
 [x86_64-darwin.ic-btc-canister]
 url = 'https://github.com/dfinity/bitcoin-canister/releases/download/release%2F2023-10-13/ic-btc-canister.wasm.gz'
@@ -88,8 +88,8 @@ url = 'https://download.dfinity.systems/ic/69e1408347723dbaa7a6cd2faa9b65c42abbe
 sha256 = '8d8c51033cb2cd20049ca4e048144b895684d7a4fdbd07719476797b53ebafb5'
 
 [x86_64-linux.motoko]
-url = 'https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-Linux-x86_64-0.10.2.tar.gz'
-sha256 = 'daa3fb7c739174296711334f0616745bc8839027432538261e05b4cc95d83ea8'
+url = 'https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-Linux-x86_64-0.10.3.tar.gz'
+sha256 = 'f8e8057c7b253b640d93e09a5810566f4582bcbf3f52aa134691e344f8fc29c0'
 # The replica and canister_sandbox binaries must have the same revision.
 
 [x86_64-linux.replica]
@@ -110,8 +110,8 @@ url = 'https://download.dfinity.systems/ic/69e1408347723dbaa7a6cd2faa9b65c42abbe
 sha256 = '966a84f1e563049e09381b39cbcde24b0c77032ee2cfddb40962eecb70925809'
 
 [x86_64-linux.motoko-base]
-url = 'https://github.com/dfinity/motoko/releases/download/0.10.2/motoko-base-library.tar.gz'
-sha256 = 'cfa7950a3f452b0d8f42320061be09176a7aecee5a7851d913a1517a8116fd46'
+url = 'https://github.com/dfinity/motoko/releases/download/0.10.3/motoko-base-library.tar.gz'
+sha256 = '3ee345fb0357ee9305e911d8aa30a00675114c3247af79bb16b8c21f8477dc3c'
 
 [x86_64-linux.ic-btc-canister]
 url = 'https://github.com/dfinity/bitcoin-canister/releases/download/release%2F2023-10-13/ic-btc-canister.wasm.gz'