diff --git a/GECKOInstaller.m b/GECKOInstaller.m
index a870b981..55f85aff 100644
--- a/GECKOInstaller.m
+++ b/GECKOInstaller.m
@@ -10,7 +10,7 @@
             sourceDir = fileparts(which(mfilename));
             paths = GECKOInstaller.GetFilteredSubPaths(sourceDir, GECKOInstaller.FILE_FILTER);
 
-            GECKOInstaller.checkRAVENversion('2.9.1'); % Minimum RAVEN version
+            GECKOInstaller.checkRAVENversion('3.0.0'); % Minimum RAVEN version
 
             % Check unique function names
             if ~exist("checkFunctionUniqueness.m")
@@ -72,7 +72,10 @@ function checkRAVENversion(minmVer)
                 if strcmp(currVer,'develop')
                     printOrange('WARNING: Cannot determine your RAVEN version as it is in a development branch.\n');
                 else
-                    wrongVersion = GECKOInstaller.isOlderVersion(currVer, minmVer);
+                    % A pre-release suffix of the installed RAVEN (3.0.0b2) is
+                    % ignored: it satisfies the minimum 3.0.0.
+                    wrongVersion = GECKOInstaller.isOlderVersion( ...
+                        GECKOInstaller.releaseOf(currVer), minmVer);
                 end
             catch
                 warning(['Cannot find RAVEN Toolbox in the MATLAB path, or the version ' ...
@@ -136,6 +139,13 @@ function checkRAVENversion(minmVer)
             end
         end
 
+        function release = releaseOf(ver)
+            % releaseOf  The major.minor.patch part of a version string
+            % without its pre-release suffix (3.0.0b2 gives 3.0.0).
+            num = GECKOInstaller.parseVersion(ver);
+            release = sprintf('%d.%d.%d', num);
+        end
+
         function [num, isPre] = parseVersion(ver)
             % parseVersion  Leading numbers of major.minor.patch, and
             % whether the patch number carries a pre-release suffix.
diff --git a/test/unit_tests/geckoCoreFunctionTests.m b/test/unit_tests/geckoCoreFunctionTests.m
index 6b35794c..09837df6 100644
--- a/test/unit_tests/geckoCoreFunctionTests.m
+++ b/test/unit_tests/geckoCoreFunctionTests.m
@@ -2410,6 +2410,21 @@ function testGECKOInstallerIsOlderVersion_tc0059(testCase)
     verifyFalse(testCase, older('4.0.0b1', '4.0.0b2'))
 end
 
+function testGECKOInstallerIgnoresRavenPrerelease_tc0284(testCase)
+    % The pre-release suffix of the installed RAVEN is ignored when it is
+    % compared with the minimum RAVEN version.
+    older = @(ver, minVer) GECKOInstaller.isOlderVersion( ...
+        GECKOInstaller.releaseOf(ver), minVer);
+    verifyEqual(testCase, GECKOInstaller.releaseOf('3.0.0b2'), '3.0.0')
+    verifyEqual(testCase, GECKOInstaller.releaseOf('3.1'), '3.1.0')
+    verifyFalse(testCase, older('3.0.0b1', '3.0.0'))
+    verifyFalse(testCase, older('3.0.0b2', '3.0.0'))
+    verifyFalse(testCase, older('3.0.0', '3.0.0'))
+    verifyFalse(testCase, older('3.2.1', '3.0.0'))
+    verifyTrue(testCase, older('2.9.9', '3.0.0'))
+    verifyTrue(testCase, older('2.10.0b3', '3.0.0'))
+end
+
 function testEcFSEOFSelectsTargetsByCorrelation_tc0100(testCase)
     % Verifies ecFSEOF classifies a reaction as a target when the absolute
     % flux correlates with the enforced production flux (default