diff --git a/webapp/migrations/Version20210407120356.php b/webapp/migrations/Version20210407120356.php
index aeb9993db6..5760135e4d 100644
--- a/webapp/migrations/Version20210407120356.php
+++ b/webapp/migrations/Version20210407120356.php
@@ -42,7 +42,6 @@ public function up(Schema $schema) : void
                 for ($idx = 0; $idx < $zip->numFiles; $idx++) {
                     $filename = basename($zip->getNameIndex($idx));
                     $content = $zip->getFromIndex($idx);
-                    $encodedContent = ($content === '' ? '' : ('0x' . strtoupper(bin2hex($content))));
 
                     // In doubt make files executable, but try to read it from the zip file.
                     $executableBit = '1';
@@ -52,17 +51,14 @@ public function up(Schema $schema) : void
                         $executableBit = '0';
                     }
                     $this->connection->executeStatement(
-                        'INSERT INTO executable_file '
-                        . '(`immutable_execid`, `filename`, `ranknumber`, `file_content`, `is_executable`) '
-                        . 'VALUES (' . $immutable_execid . ', "' . $filename . '", '
-                        . $idx . ', ' . $encodedContent . ', '
-                        . $executableBit . ')'
+                        'INSERT INTO executable_file (`immutable_execid`, `filename`, `ranknumber`, `file_content`, `is_executable`) VALUES (?, ?, ?, ?, ?)',
+                        [$immutable_execid, $filename, $idx, $content, $executableBit]
                     );
                 }
 
                 $this->connection->executeStatement(
-                    'UPDATE executable SET immutable_execid = '
-                    . $immutable_execid . ' WHERE execid = "' . $oldRow['execid'] . '"'
+                    'UPDATE executable SET immutable_execid = :immutable_execid WHERE execid = :execid',
+                    ['immutable_execid' => $immutable_execid, 'execid' => $oldRow['execid']]
                 );
             }
 
diff --git a/webapp/migrations/Version20240511091916.php b/webapp/migrations/Version20240511091916.php
index 47fd04c297..c8019b05c0 100644
--- a/webapp/migrations/Version20240511091916.php
+++ b/webapp/migrations/Version20240511091916.php
@@ -57,21 +57,33 @@ public function getDescription(): string
 
     public function up(Schema $schema): void
     {
-        foreach (self::COMPILER_VERSION_COMMAND as $lang => $versionCommand) {
-            $this->addSql("UPDATE language SET compiler_version_command = '" . $versionCommand ."' WHERE langid='" . $lang . "' AND compiler_version_command IS NULL;");
+        foreach (self::COMPILER_VERSION_COMMAND as $langid => $versionCommand) {
+            $this->addSql(
+                "UPDATE language SET compiler_version_command = :compiler_version_command WHERE langid = :langid AND compiler_version_command IS NULL",
+                ['compiler_version_command' => $versionCommand, 'langid' => $langid]
+            );
         }
-        foreach (self::RUNNER_VERSION_COMMAND as $lang => $versionCommand) {
-            $this->addSql("UPDATE language SET runner_version_command = '" . $versionCommand ."' WHERE langid='" . $lang . "' AND runner_version_command IS NULL;");
+        foreach (self::RUNNER_VERSION_COMMAND as $langid => $versionCommand) {
+            $this->addSql(
+                "UPDATE language SET runner_version_command = :compiler_version_command WHERE langid = :langid AND runner_version_command IS NULL",
+                ['compiler_version_command' => $versionCommand, 'langid' => $langid]
+            );
         }
     }
 
     public function down(Schema $schema): void
     {
-        foreach (self::COMPILER_VERSION_COMMAND as $lang => $versionCommand) {
-            $this->addSql("UPDATE language SET compiler_version_command = NULL WHERE langid='" . $lang . "' AND compiler_version_command = '" . $versionCommand ."';");
+        foreach (self::COMPILER_VERSION_COMMAND as $langid => $versionCommand) {
+            $this->addSql(
+                "UPDATE language SET compiler_version_command = NULL WHERE langid = :langid AND compiler_version_command = :compiler_version_command"
+                ['compiler_version_command' => $versionCommand, 'langid' => $langid]
+            );
         }
-        foreach (self::RUNNER_VERSION_COMMAND as $lang => $versionCommand) {
-            $this->addSql("UPDATE language SET runner_version_command = NULL WHERE langid='" . $lang . "' AND runner_version_command = '" . $versionCommand ."';");
+        foreach (self::RUNNER_VERSION_COMMAND as $langid => $versionCommand) {
+            $this->addSql(
+                "UPDATE language SET runner_version_command = NULL WHERE langid = :langid AND runner_version_command = :compiler_version_command"
+                ['compiler_version_command' => $versionCommand, 'langid' => $langid]
+            );
         }
     }