diff --git a/clients/js-legacy/package.json b/clients/js-legacy/package.json
index ae3da751..30a89965 100644
--- a/clients/js-legacy/package.json
+++ b/clients/js-legacy/package.json
@@ -50,7 +50,7 @@
     "@solana/web3.js": "^1.98.4",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.6",
-    "prettier": "^3.8.4"
+    "prettier": "^3.9.1"
   },
   "ava": {
     "nodeArguments": [
diff --git a/clients/js/package.json b/clients/js/package.json
index 0eef10c1..79eaadc3 100644
--- a/clients/js/package.json
+++ b/clients/js/package.json
@@ -31,7 +31,7 @@
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.6",
-    "prettier": "^3.8.4",
+    "prettier": "^3.9.1",
     "typescript": "^5.9.3"
   },
   "dependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d6487928..3862e002 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -34,7 +34,7 @@ importers:
     devDependencies:
       '@solana/prettier-config-solana':
         specifier: ^0.0.6
-        version: 0.0.6(prettier@3.8.4)
+        version: 0.0.6(prettier@3.9.1)
       '@types/node':
         specifier: ^26.0.0
         version: 26.0.0
@@ -49,10 +49,10 @@ importers:
         version: 10.1.8(eslint@8.57.1)
       eslint-plugin-prettier:
         specifier: ^5.5.6
-        version: 5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.8.4)
+        version: 5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.9.1)
       prettier:
-        specifier: ^3.8.4
-        version: 3.8.4
+        specifier: ^3.9.1
+        version: 3.9.1
       typescript:
         specifier: ^5.9.3
         version: 5.9.3
@@ -64,7 +64,7 @@ importers:
         version: 6.10.0(fastestsmallesttextencoderdecoder@1.0.22)(typescript@5.9.3)
       '@solana/prettier-config-solana':
         specifier: ^0.0.6
-        version: 0.0.6(prettier@3.8.4)
+        version: 0.0.6(prettier@3.9.1)
       '@solana/rpc-api':
         specifier: 6.10.0
         version: 6.10.0(fastestsmallesttextencoderdecoder@1.0.22)(typescript@5.9.3)
@@ -82,10 +82,10 @@ importers:
         version: 10.1.8(eslint@8.57.1)
       eslint-plugin-prettier:
         specifier: ^5.5.6
-        version: 5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.8.4)
+        version: 5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.9.1)
       prettier:
-        specifier: ^3.8.4
-        version: 3.8.4
+        specifier: ^3.9.1
+        version: 3.9.1
     devDependencies:
       '@ava/typescript':
         specifier: ^7.0.0
@@ -793,6 +793,7 @@ packages:
 
   '@solana/prettier-config-solana@0.0.6':
     resolution: {integrity: sha512-/s55hDoAyh5QyltQh/jjNK3AgACEq885+DnC6lYhrmYZiV6I0iHITWYnKd8d23KRKs/RBjlaQH54MiafeoI9hw==}
+    deprecated: This package is deprecated. It has been replaced by @solana-config/prettier, part of the @solana-foundation/js-configs monorepo (https://github.com/solana-foundation/js-configs). Please migrate to the new package; this one will no longer receive updates.
     peerDependencies:
       prettier: ^3.7.4
 
@@ -1970,8 +1971,8 @@ packages:
     resolution: {integrity: sha512-SxToR7P8Y2lWmv/kTzVLC1t/GDI2WGjMwNhLLE9qtH8Q13C+aEmuRlzDst4Up4s0Wc8sF2M+J57iB3cMLqftfg==}
     engines: {node: '>=6.0.0'}
 
-  prettier@3.8.4:
-    resolution: {integrity: sha512-N2MylSdi48+5N/6S5j+maeHbUSIzzZ5uOcX5Hm4QpV8Dkb1HFjfAKTKX6yNPJQD9AhcT3ifHNB66tWTTJDi11Q==}
+  prettier@3.9.1:
+    resolution: {integrity: sha512-ppiDo2CSwexck1eyZUwJHg/N3nf1+6IRCv7W/VJ5vaLnVCmB7+3CdRfMwoCHBBX6xTrREDTksZ4OZl5SSf4zXA==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -2037,6 +2038,11 @@ packages:
     engines: {node: '>=10'}
     hasBin: true
 
+  semver@7.8.5:
+    resolution: {integrity: sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==}
+    engines: {node: '>=10'}
+    hasBin: true
+
   serialize-error@7.0.1:
     resolution: {integrity: sha512-8I8TjW5KMOKsZQTvoxjuSIa7foAwPWGOts+6o7sgjz41/qMD9VQHEDxi6PBvK2l0MXUmqZyNpUK+T2tQaaElvw==}
     engines: {node: '>=10'}
@@ -2816,9 +2822,9 @@ snapshots:
     optionalDependencies:
       typescript: 5.9.3
 
-  '@solana/prettier-config-solana@0.0.6(prettier@3.8.4)':
+  '@solana/prettier-config-solana@0.0.6(prettier@3.9.1)':
     dependencies:
-      prettier: 3.8.4
+      prettier: 3.9.1
 
   '@solana/promises@6.10.0(typescript@5.9.3)':
     optionalDependencies:
@@ -3052,7 +3058,7 @@ snapshots:
       fast-glob: 3.3.3
       is-glob: 4.0.3
       minimatch: 9.0.9
-      semver: 7.8.4
+      semver: 7.8.5
       ts-api-utils: 1.4.3(typescript@5.9.3)
       typescript: 5.9.3
     transitivePeerDependencies:
@@ -3481,10 +3487,10 @@ snapshots:
     dependencies:
       eslint: 8.57.1
 
-  eslint-plugin-prettier@5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.8.4):
+  eslint-plugin-prettier@5.5.6(eslint-config-prettier@10.1.8(eslint@8.57.1))(eslint@8.57.1)(prettier@3.9.1):
     dependencies:
       eslint: 8.57.1
-      prettier: 3.8.4
+      prettier: 3.9.1
       prettier-linter-helpers: 1.0.1
       synckit: 0.11.13
     optionalDependencies:
@@ -4074,7 +4080,7 @@ snapshots:
     dependencies:
       fast-diff: 1.3.0
 
-  prettier@3.8.4: {}
+  prettier@3.9.1: {}
 
   pretty-ms@9.3.0:
     dependencies:
@@ -4154,6 +4160,8 @@ snapshots:
 
   semver@7.8.4: {}
 
+  semver@7.8.5: {}
+
   serialize-error@7.0.1:
     dependencies:
       type-fest: 0.13.1