diff --git a/components/prism-ada.js b/components/prism-ada.js
index 21226f63a2..aef2dd1f30 100644
--- a/components/prism-ada.js
+++ b/components/prism-ada.js
@@ -10,7 +10,7 @@ Prism.languages.ada = {
 		}
 	],
 	'attr-name': /\b'\w+/,
-	'keyword': /\b(?:abort|abs|abstract|accept|access|aliased|all|and|array|at|begin|body|case|constant|declare|delay|delta|digits|do|else|elsif|end|entry|exception|exit|for|function|generic|goto|if|in|interface|is|limited|loop|mod|new|not|null|of|others|out|overriding|package|pragma|private|procedure|protected|raise|range|record|rem|renames|requeue|return|reverse|select|separate|some|subtype|synchronized|tagged|task|terminate|then|type|until|use|when|while|with|xor)\b/i,
+	'keyword': /\b(?:abort|abs|abstract|accept|access|aliased|all|and|array|at|begin|body|case|constant|declare|delay|delta|digits|do|else|elsif|end|entry|exception|exit|for|function|generic|goto|if|in|interface|is|limited|loop|mod|new|not|null|of|or|others|out|overriding|package|pragma|private|procedure|protected|raise|range|record|rem|renames|requeue|return|reverse|select|separate|some|subtype|synchronized|tagged|task|terminate|then|type|until|use|when|while|with|xor)\b/i,
 	'boolean': /\b(?:false|true)\b/i,
 	'operator': /<[=>]?|>=?|=>?|:=|\/=?|\*\*?|[&+-]/,
 	'punctuation': /\.\.?|[,;():]/,
diff --git a/components/prism-ada.min.js b/components/prism-ada.min.js
index f58b0ea9f3..53e06f6a27 100644
--- a/components/prism-ada.min.js
+++ b/components/prism-ada.min.js
@@ -1 +1 @@
-Prism.languages.ada={comment:/--.*/,string:/"(?:""|[^"\r\f\n])*"/,number:[{pattern:/\b\d(?:_?\d)*#[\dA-F](?:_?[\dA-F])*(?:\.[\dA-F](?:_?[\dA-F])*)?#(?:E[+-]?\d(?:_?\d)*)?/i},{pattern:/\b\d(?:_?\d)*(?:\.\d(?:_?\d)*)?(?:E[+-]?\d(?:_?\d)*)?\b/i}],"attr-name":/\b'\w+/,keyword:/\b(?:abort|abs|abstract|accept|access|aliased|all|and|array|at|begin|body|case|constant|declare|delay|delta|digits|do|else|elsif|end|entry|exception|exit|for|function|generic|goto|if|in|interface|is|limited|loop|mod|new|not|null|of|others|out|overriding|package|pragma|private|procedure|protected|raise|range|record|rem|renames|requeue|return|reverse|select|separate|some|subtype|synchronized|tagged|task|terminate|then|type|until|use|when|while|with|xor)\b/i,boolean:/\b(?:false|true)\b/i,operator:/<[=>]?|>=?|=>?|:=|\/=?|\*\*?|[&+-]/,punctuation:/\.\.?|[,;():]/,char:/'.'/,variable:/\b[a-z](?:\w)*\b/i};
\ No newline at end of file
+Prism.languages.ada={comment:/--.*/,string:/"(?:""|[^"\r\f\n])*"/,number:[{pattern:/\b\d(?:_?\d)*#[\dA-F](?:_?[\dA-F])*(?:\.[\dA-F](?:_?[\dA-F])*)?#(?:E[+-]?\d(?:_?\d)*)?/i},{pattern:/\b\d(?:_?\d)*(?:\.\d(?:_?\d)*)?(?:E[+-]?\d(?:_?\d)*)?\b/i}],"attr-name":/\b'\w+/,keyword:/\b(?:abort|abs|abstract|accept|access|aliased|all|and|array|at|begin|body|case|constant|declare|delay|delta|digits|do|else|elsif|end|entry|exception|exit|for|function|generic|goto|if|in|interface|is|limited|loop|mod|new|not|null|of|or|others|out|overriding|package|pragma|private|procedure|protected|raise|range|record|rem|renames|requeue|return|reverse|select|separate|some|subtype|synchronized|tagged|task|terminate|then|type|until|use|when|while|with|xor)\b/i,boolean:/\b(?:false|true)\b/i,operator:/<[=>]?|>=?|=>?|:=|\/=?|\*\*?|[&+-]/,punctuation:/\.\.?|[,;():]/,char:/'.'/,variable:/\b[a-z](?:\w)*\b/i};
\ No newline at end of file
diff --git a/tests/languages/ada/keyword_feature.test b/tests/languages/ada/keyword_feature.test
index e5c815f22f..bc45fcbe67 100644
--- a/tests/languages/ada/keyword_feature.test
+++ b/tests/languages/ada/keyword_feature.test
@@ -39,6 +39,7 @@ mod
 not
 null
 of
+or
 others
 out
 overriding
@@ -115,6 +116,7 @@ xor
 	["keyword", "not"],
 	["keyword", "null"],
 	["keyword", "of"],
+	["keyword", "or"],
 	["keyword", "others"],
 	["keyword", "out"],
 	["keyword", "overriding"],
@@ -150,4 +152,4 @@ xor
 
 ----------------------------------------------------
 
-Checks for keywords.
\ No newline at end of file
+Checks for keywords.