diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c1b359..c988949 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,9 @@
   group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
   cancel-in-progress: true
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   linux:
     runs-on: ubuntu-20.04
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index efb9e66..efd91a4 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,8 +21,15 @@
   group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
   cancel-in-progress: true
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   analyze:
+    permissions:
+      contents: read # to fetch code (actions/checkout)
+      security-events: write #  (github/codeql-action/autobuild)
+
     name: Analyze
     runs-on: ubuntu-latest
 
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index ce21ab2..9cbd34b 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -4,6 +4,9 @@
     - cron: '42 0 * * *'  # Run once per day, to avoid Coverity's submission limits
   workflow_dispatch:
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   scan:
     runs-on: ubuntu-20.04
diff --git a/src/version.c b/src/version.c
index ab4cea3..8f503f2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    593,
+/**/
     592,
 /**/
     591,