diff --git a/general/graphlib/openjpeg2.xml b/general/graphlib/openjpeg2.xml
index 2e309b0762..caef2f96b1 100644
--- a/general/graphlib/openjpeg2.xml
+++ b/general/graphlib/openjpeg2.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY openjpeg2-download-http "https://github.com/uclouvain/openjpeg/archive/v&openjpeg2-version;/openjpeg-&openjpeg2-version;.tar.gz">
   <!ENTITY openjpeg2-download-ftp  " ">
-  <!ENTITY openjpeg2-md5sum        "5cbb822a1203dd75b85639da4f4ecaab">
+  <!ENTITY openjpeg2-md5sum        "f9ee64845881a15109ed0aa73a12202f">
   <!ENTITY openjpeg2-size          "1.8 MB">
-  <!ENTITY openjpeg2-buildsize     "13 MB">
-  <!ENTITY openjpeg2-time          "0.2 SBU">
+  <!ENTITY openjpeg2-buildsize     "13 MB (add 1.7GB for tests)">
+  <!ENTITY openjpeg2-time          "0.2 SBU (add 0.8 SBU for tests)">
 ]>
 
 <sect1 id="openjpeg2" xreflabel="OpenJPEG-&openjpeg2-version;">
@@ -76,13 +76,13 @@
 
     <bridgehead renderas="sect4">Optional</bridgehead>
     <para role="optional">
+      <xref linkend="git"/> (for tests),
       <xref linkend="lcms2"/>,
       <xref linkend="libpng"/>,
       <xref linkend="libtiff"/>, and
       <xref linkend="doxygen"/> (to build the API documentation)
     </para>
 
-
   </sect2>
 
   <sect2 role="installation">
@@ -101,16 +101,17 @@ cmake -DCMAKE_BUILD_TYPE=Release \
       -DBUILD_STATIC_LIBS=OFF .. &amp;&amp;
 make</userinput></screen>
 
-<!-- Thread discussing the tests, fixing instructions,
-  but obtaining poor results:
-  http://lists.linuxfromscratch.org/pipermail/blfs-dev/2015-April/030035.html
-
-  There does not seem to be a test suite at all. 2022-05-15 (openjpeg-2.5.0)
--->
     <para>
-      This package does not come with a test suite.
+      If you wish to run the tests, some additional files are required. Download
+      these files and run the tests using the following commands, but note that
+      8 tests are known to fail:
     </para>
 
+<screen><userinput remap="test">git clone https://github.com/uclouvain/openjpeg-data.git --depth 1 &amp;&amp;
+OPJ_DATA_ROOT=$PWD/openjpeg-data cmake -DBUILD_TESTING=ON ..       &amp;&amp;
+make                                                               &amp;&amp;
+make test</userinput></screen>
+
     <para>
       Now, as the <systemitem class="username">root</systemitem> user:
     </para>
diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index e7d7120841..6086be1b73 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -41,6 +41,10 @@
     <listitem>
       <para>March 2nd, 2024</para>
       <itemizedlist>
+        <listitem>
+          <para>[renodr] - Update to OpenJPEG-2.5.2 (Security Update). Fixes
+          <ulink url="&blfs-ticket-root;19370">#19370</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[renodr] - Update to c-ares-1.27.0 (Security Update). Fixes
           <ulink url="&blfs-ticket-root;19357">#19357</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index 58d720843b..4355489547 100644
--- a/packages.ent
+++ b/packages.ent
@@ -230,7 +230,7 @@
 <!ENTITY opencv-version               "4.9.0">
 <!ENTITY opencv-contrib-version       "4.9.0">
 <!ENTITY openjpeg2-majmin-version     "2.5">
-<!ENTITY openjpeg2-version            "&openjpeg2-majmin-version;.0">
+<!ENTITY openjpeg2-version            "&openjpeg2-majmin-version;.2">
 <!ENTITY pixman-version               "0.43.2">   <!-- Even minors only -->
 <!ENTITY poppler-version              "24.02.0">
 <!ENTITY potrace-version              "1.16">