diff --git a/.tool-versions b/.tool-versions
index f2fcdb2..a8d4062 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-ruby 4.0.6
-nodejs 26.5.1
+ruby 4.0.7
+nodejs 26.8.2
diff --git a/Gemfile b/Gemfile
index 167e5a2..5c8d5a4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,10 @@ source 'https://rubygems.org'
 gemspec
 
 group :test do
+  # @prettier/plugin-ruby's vendored server.rb still calls JSON.fast_generate,
+  # removed in json 3.0 (https://github.com/ruby/json/releases/tag/v3.0.0).
+  # Remove this pin once https://github.com/prettier/plugin-ruby/pull/1468 merges and ships.
+  gem 'json', '< 3'
   gem 'rake'
   gem 'rspec'
   gem 'rubocop', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index f5eba49..b9382d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,10 +9,10 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    amq-protocol (2.8.0)
+    amq-protocol (2.9.0)
     ast (2.4.3)
-    bunny (3.1.0)
-      amq-protocol (~> 2.7)
+    bunny (3.3.0)
+      amq-protocol (~> 2.9)
       logger (~> 1, >= 1.7)
       sorted_set (~> 1, >= 1.0.2)
     connection_pool (3.0.2)
@@ -21,7 +21,7 @@ GEM
     language_server-protocol (3.17.0.6)
     lint_roller (1.1.0)
     logger (1.7.0)
-    parallel (2.1.0)
+    parallel (2.2.0)
     parser (3.3.12.0)
       ast (~> 2.4.1)
       racc
@@ -45,8 +45,8 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.7)
-    rubocop (1.88.2)
-      json (~> 2.3)
+    rubocop (1.91.0)
+      json (>= 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
       parallel (>= 1.10)
@@ -67,7 +67,7 @@ GEM
       regexp_parser (>= 2.0)
       rubocop (~> 1.86, >= 1.86.2)
     ruby-progressbar (1.13.0)
-    simplecov (1.0.3)
+    simplecov (1.3.0)
     sorted_set (1.1.0)
       rbtree
     syntax_tree (6.3.0)
@@ -85,6 +85,7 @@ PLATFORMS
 
 DEPENDENCIES
   ears!
+  json (< 3)
   rake
   rspec
   rubocop
@@ -95,10 +96,10 @@ DEPENDENCIES
   yard
 
 CHECKSUMS
-  amq-protocol (2.8.0) sha256=d06bbb341fa683459954f5a854388dac729171500116d81311cfbeaad83392ab
+  amq-protocol (2.9.0) sha256=6812dc5c1d7dea12b445854ad0000239e59009760079084310bd39f76397168e
   ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
-  bundler (4.0.17) sha256=214e21431b5665dd2f99df8a5511c6b151d7a72e8015c8b38f8b775b61cbb6c1
-  bunny (3.1.0) sha256=fd09ea8be3fbb7fe4b1063f874094b444f762f2da1692b3341751af7c6d62f3c
+  bundler (4.0.21) sha256=7cbf5499b426076aa16c8d28a59e4c2c3aad5a438402abcd961f0119f29f1dd0
+  bunny (3.3.0) sha256=85ef5562ec2b24f542e8fad69c4302d30d966fb79ff803dc9d0c398a4054672a
   connection_pool (3.0.2) sha256=33fff5ba71a12d2aa26cb72b1db8bba2a1a01823559fb01d29eb74c286e62e0a
   diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
   ears (0.26.0)
@@ -106,7 +107,7 @@ CHECKSUMS
   language_server-protocol (3.17.0.6) sha256=5ef2c0c138f8267e1bc631d3328347d354f96724b0af22f2c79516120443b7f0
   lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
-  parallel (2.1.0) sha256=b35258865c2e31134c5ecb708beaaf6772adf9d5efae28e93e99260877b09356
+  parallel (2.2.0) sha256=e1059c5fd7b649558a0aec38a769f06a42942bdb40503d005a59c352fe011cd8
   parser (3.3.12.0) sha256=21a6d7f755d5a24dfbdc6e6b772e4e879a52e7631a88bc5a3a134606052c9828
   prettier_print (1.2.1) sha256=a72838b5f23facff21f90a5423cdcdda19e4271092b41f4ea7f50b83929e6ff9
   prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85
@@ -120,12 +121,12 @@ CHECKSUMS
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
   rspec-mocks (3.13.8) sha256=086ad3d3d17533f4237643de0b5c42f04b66348c28bf6b9c2d3f4a3b01af1d47
   rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
-  rubocop (1.88.2) sha256=8def251c90cd955feb4daa3edc0ab56893250c4ce90ef81e6c80c03f9a939bbf
+  rubocop (1.91.0) sha256=9c82b7bf391c5d7e3798c5b9996e22a1fe3bd7468e351dfdeb96140c058296d0
   rubocop-ast (1.50.0) sha256=b9ca88300da0803ee222ad20cdb30494c0a784eed06fdc35d254b06d662788db
   rubocop-rake (0.7.1) sha256=3797f2b6810c3e9df7376c26d5f44f3475eda59eb1adc38e6f62ecf027cbae4d
   rubocop-rspec (3.10.2) sha256=0b3e2ecc592cd10ecbf0095bb58d1e357905276e069643523cc19eb7495f65e2
   ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
-  simplecov (1.0.3) sha256=38ef0514f16ae7562f0d0f4df02610071115103d301b6de7dacbcc000082e39b
+  simplecov (1.3.0) sha256=d9886307863c1ead47657dcbed869bfffd82318808b09014d8f0ff77dcfe7492
   sorted_set (1.1.0) sha256=bac01eb16b6bcfcdb7d732a28e87422be8b5c9fdcfeadbe9072682407524ee83
   syntax_tree (6.3.0) sha256=56e25a9692c798ec94c5442fe94c5e94af76bef91edc8bb02052cbdecf35f13d
   unicode-display_width (3.2.0) sha256=0cdd96b5681a5949cdbc2c55e7b420facae74c4aaf9a9815eee1087cb1853c42
@@ -133,4 +134,4 @@ CHECKSUMS
   yard (0.9.45) sha256=52e211493f7cb8a3ebf7e104a25a1e73937a3103092545d34cb88fafebb3dc51
 
 BUNDLED WITH
-  4.0.17
+  4.0.21