diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67bb072..ede433c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,51 @@
+0.4.0 / 2024-03-12
+==================
+  * Removed 4 characters from Arabic:
+    * U+0615 ARABIC SMALL HIGH TAH
+    * U+066A ARABIC PERCENT SIGN
+    * U+066B ARABIC DECIMAL SEPARATOR
+    * U+066C ARABIC THOUSANDS SEPARATOR
+
+  * Removed 1 character from Devanagari:
+    * U+0950 DEVANAGARI OM
+
+  * Removed 1 character from Gurmukhi:
+    * U+0A51 GURMUKHI SIGN UDAAT
+
+  * Removed 1 character from Hebrew:
+    * U+05F4 HEBREW PUNCTUATION GERSHAYIM
+
+  * Removed 5 characters from Japanese:
+    * U+3094 HIRAGANA LETTER VU
+    * U+309B KATAKANA-HIRAGANA VOICED SOUND MARK
+    * U+309C KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
+    * U+309D HIRAGANA ITERATION MARK
+    * U+309E HIRAGANA VOICED ITERATION MARK
+
+  * Removed 2 characters from Kannada:
+    * U+0964 DEVANAGARI DANDA
+    * U+0965 DEVANAGARI DOUBLE DANDA
+
+  * Removed 8 characters from Malayalam:
+    * U+0D3D MALAYALAM SIGN AVAGRAHA
+    * U+0D4E MALAYALAM LETTER DOT REPH
+    * U+0D79 MALAYALAM DATE MARK
+    * U+0D7A MALAYALAM LETTER CHILLU NN
+    * U+0D7B MALAYALAM LETTER CHILLU N
+    * U+0D7D MALAYALAM LETTER CHILLU L
+    * U+0D7E MALAYALAM LETTER CHILLU LL
+    * U+0D7F MALAYALAM LETTER CHILLU K
+
+  * Removed 2 characters from Tamil:
+    * U+0B9D (unassigned)
+    * U+0BFA TAMIL NUMBER SIGN
+
+  * Removed 4 characters from Telugu:
+    * U+0C00 TELUGU SIGN COMBINING CANDRABINDU
+    * U+0C58 TELUGU LETTER TSA
+    * U+0C59 TELUGU LETTER DZA
+    * U+0C5A TELUGU LETTER RRRA
+
 0.3.0 / 2023-07-14
 ==================
   * Add Fula (Adlam script).
diff --git a/Gemfile.lock b/Gemfile.lock
index 3a1bb33..12a024f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    speakeasy (0.3.0)
+    speakeasy (0.4.0)
 
 GEM
   remote: https://rubygems.org/
@@ -24,6 +24,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-18
+  x86_64-darwin-21
   x86_64-linux
 
 DEPENDENCIES
@@ -32,4 +33,4 @@ DEPENDENCIES
   speakeasy!
 
 BUNDLED WITH
-   2.2.31
+   2.3.5
diff --git a/data/Deva b/data/Deva
index e1a977b..ae50813 100644
--- a/data/Deva
+++ b/data/Deva
@@ -13,5 +13,4 @@ codepoints:
 - !ruby/range 2364..2373  # ़ ऽ ा ि ी ु ू ृ ॄ ॅ
 - !ruby/range 2375..2377  # े ै ॉ
 - !ruby/range 2379..2381  # ो ौ ्
-- 2384                    # ॐ
 - !ruby/range 2406..2416  # ० १ २ ३ ४ ५ ६ ७ ८ ९ ॰
diff --git a/data/Guru b/data/Guru
index 2eef594..cb39baf 100644
--- a/data/Guru
+++ b/data/Guru
@@ -16,7 +16,6 @@ codepoints:
 - !ruby/range 2622..2626
 - !ruby/range 2631..2632
 - !ruby/range 2635..2637
-- 2641
 - !ruby/range 2649..2652
 - 2654
 - !ruby/range 2662..2676
diff --git a/data/ar b/data/ar
index 820bd78..b14d5e8 100644
--- a/data/ar
+++ b/data/ar
@@ -4,9 +4,8 @@ anglicized_name: Arabic
 native_name: العربية
 codepoints:
 - 1548 			# ARABIC COMMA
-- 1557 			# ARABIC SMALL HIGH TAH
 - 1563 			# ARABIC SEMICOLON
 - 1567 			# ARABIC QUESTION MARK
 - !ruby/range 1569..1594 # ARABIC LETTER HAMZA .. ARABIC LETTER GHAIN
 - !ruby/range 1600..1621 # ARABIC TATWEEL .. ARABIC HAMZA BELOW
-- !ruby/range 1632..1644 # ARABIC-INDIC DIGIT ZERO .. ARABIC THOUSANDS SEPARATOR
+- !ruby/range 1632..1641 # ARABIC-INDIC DIGIT ZERO .. ARABIC-INDIC DIGIT NINE
diff --git a/data/he b/data/he
index 8817143..a03cb35 100644
--- a/data/he
+++ b/data/he
@@ -5,4 +5,4 @@ native_name: עברית
 codepoints:
 - 1470                    # ־
 - !ruby/range 1488..1514  # א ב ג ד ה ו ז ח ט י ך כ ל ם מ ן נ ס ע ף פ ץ צ ק ר ש ת
-- !ruby/range 1523..1524  # ׳ ״
+- 1523                    # ׳
diff --git a/data/ja b/data/ja
index 8621f42..2ea35a3 100644
--- a/data/ja
+++ b/data/ja
@@ -3,5 +3,4 @@ version: 2
 anglicized_name: Japanese
 native_name: 日本語
 codepoints:
-- !ruby/range 12353..12436  # U+3041 (HIRAGANA LETTER SMALL A) .. U+3094 (HIRAGANA LETTER VU)
-- !ruby/range 12443..12446  # U+309B (KATAKANA-HIRAGANA VOICED SOUND MARK) .. U+309E (HIRAGANA VOICED ITERATION MARK)
+- !ruby/range 12353..12435  # U+3041 (HIRAGANA LETTER SMALL A) .. U+3093 (HIRAGANA LETTER N)
diff --git a/data/kn b/data/kn
index d7ca4ac..3921c0f 100644
--- a/data/kn
+++ b/data/kn
@@ -3,7 +3,6 @@ version: 2
 anglicized_name: Kannada
 native_name:  ಕನ್ನಡ
 codepoints:
-- !ruby/range 2404..2405 # ।,॥
 - !ruby/range 3202..3203 # ಂ,ಃ
 - !ruby/range 3205..3212 # ಅ,ಆ,ಇ,ಈ,ಉ,ಊ,ಋ,ಌ
 - !ruby/range 3214..3216 # ಎ,ಏ,ಐ
diff --git a/data/ml b/data/ml
index 98278b5..fa349ca 100644
--- a/data/ml
+++ b/data/ml
@@ -55,7 +55,6 @@ codepoints:
 - 3383  # ഷ (U+0D37) MALAYALAM LETTER SSA
 - 3384  # സ (U+0D38) MALAYALAM LETTER SA
 - 3385  # ഹ (U+0D39) MALAYALAM LETTER HA
-- 3389  # ഽ (U+0D3D) MALAYALAM SIGN AVAGRAHA
 - 3390  # ാ (U+0D3E) MALAYALAM VOWEL SIGN AA
 - 3391  # ി (U+0D3F) MALAYALAM VOWEL SIGN I
 - 3392  # ീ (U+0D40) MALAYALAM VOWEL SIGN II
@@ -69,11 +68,4 @@ codepoints:
 - 3403  # ോ (U+0D4B) MALAYALAM VOWEL SIGN OO
 - 3404  # ൌ (U+0D4C) MALAYALAM VOWEL SIGN AU
 - 3405  # ് (U+0D4D) MALAYALAM SIGN VIRAMA
-- 3406  # ൎ (U+0D4E) MALAYALAM LETTER DOT REPH
 - 3415  # ൗ (U+0D57) MALAYALAM AU LENGTH MARK
-- 3449  # ൹ (U+0D79) MALAYALAM DATE MARK
-- 3450  # ൺ (U+0D7A) MALAYALAM LETTER CHILLU NN
-- 3451  # ൻ (U+0D7B) MALAYALAM LETTER CHILLU N
-- 3453  # ൽ (U+0D7D) MALAYALAM LETTER CHILLU L
-- 3454  # ൾ (U+0D7E) MALAYALAM LETTER CHILLU LL
-- 3455  # ൿ (U+0D7F) MALAYALAM LETTER CHILLU K
diff --git a/data/ta b/data/ta
index d30b01f..608e630 100644
--- a/data/ta
+++ b/data/ta
@@ -9,7 +9,7 @@ codepoints:
 - !ruby/range 2962..2965
 - !ruby/range 2969..2970
 - 2972
-- !ruby/range 2973..2974
+- 2974
 - !ruby/range 2979..2980
 - !ruby/range 2984..2986
 - !ruby/range 2990..3001
@@ -18,4 +18,4 @@ codepoints:
 - !ruby/range 3018..3021
 - 3024
 - 3031
-- !ruby/range 3046..3066
+- !ruby/range 3046..3065
diff --git a/data/te b/data/te
index 112d54f..d50605a 100644
--- a/data/te
+++ b/data/te
@@ -3,7 +3,6 @@ version: 2
 anglicized_name: Telugu
 native_name: తెలుగు
 codepoints:
-- 3072 # ఀ (U+0C00) TELUGU SIGN COMBINING CANDRABINDU
 - 3073 # ఁ (U+0C01) TELUGU SIGN CANDRABINDU
 - 3074 # ం (U+0C02) TELUGU SIGN ANUSVARA
 - 3075 # ః (U+0C03) TELUGU SIGN VISARGA
@@ -73,9 +72,6 @@ codepoints:
 - 3149 # ్ (U+0C4D) TELUGU SIGN VIRAMA
 - 3157 # ౕ (U+0C55) TELUGU LENGTH MARK
 - 3158 # ౖ (U+0C56) TELUGU AI LENGTH MARK
-- 3160 # ౘ (U+0C58) TELUGU LETTER TSA
-- 3161 # ౙ (U+0C59) TELUGU LETTER DZA
-- 3162 # ౚ (U+0C5A) TELUGU LETTER RRRA
 - 3168 # ౠ (U+0C60) TELUGU LETTER VOCALIC RR
 - 3169 # ౡ (U+0C61) TELUGU LETTER VOCALIC LL
 - 3170 # ౢ (U+0C62) TELUGU VOWEL SIGN VOCALIC L
diff --git a/lib/speakeasy.rb b/lib/speakeasy.rb
index 6cabc50..6eccc94 100644
--- a/lib/speakeasy.rb
+++ b/lib/speakeasy.rb
@@ -1,5 +1,5 @@
 require 'speakeasy/language'
 
 module Speakeasy
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
 end
diff --git a/speakeasy.gemspec b/speakeasy.gemspec
index 970a8ff..faf85bb 100644
--- a/speakeasy.gemspec
+++ b/speakeasy.gemspec
@@ -13,8 +13,8 @@ Gem::Specification.new do |s|
   ## If your rubyforge_project name is different, then edit it and comment out
   ## the sub! line in the Rakefile
   s.name              = 'speakeasy'
-  s.version           = '0.3.0'
-  s.date              = '2023-07-14'
+  s.version           = '0.4.0'
+  s.date              = '2024-03-12'
   s.rubyforge_project = 'speakeasy'
 
   ## Make sure your summary is short. The description may be as long
diff --git a/spec/language_spec.rb b/spec/language_spec.rb
index 0eac803..df5d7e7 100644
--- a/spec/language_spec.rb
+++ b/spec/language_spec.rb
@@ -4,15 +4,15 @@
   SupportedLanguages = 64
 
   it "can list the supported language ids" do
-    Speakeasy::Language.supported_language_ids.size.should == SupportedLanguages
+    expect(Speakeasy::Language.supported_language_ids.size).to eq(SupportedLanguages)
   end
 
   it "can get all supported languages" do
-    Speakeasy::Language.all.size.should == SupportedLanguages
+    expect(Speakeasy::Language.all.size).to eq(SupportedLanguages)
   end
 
   it "can iterate over all supported languages" do
-    Speakeasy::Language.each.to_a.size.should == SupportedLanguages
+    expect(Speakeasy::Language.each.to_a.size).to eq(SupportedLanguages)
   end
 
   it "contains valid code point ranges" do
@@ -33,7 +33,7 @@
     end
 
     it "has a language_id" do
-      subject.language_id.should == "de"
+      expect(subject.language_id).to eq("de")
     end
 
     it "has codepoints" do
@@ -43,12 +43,12 @@
 
     it "has a native name" do
       subject.respond_to? :native_name
-      subject.native_name.should == "Deutsch"
+      expect(subject.native_name).to eq("Deutsch")
     end
 
     it "has a anglicized name" do
       subject.respond_to? :anglicized_name
-      subject.anglicized_name.should == "German"
+      expect(subject.anglicized_name).to eq("German")
     end
   end
 end