diff --git a/.github/workflows/recheck.yml b/.github/workflows/recheck.yml
new file mode 100644
index 0000000..039472c
--- /dev/null
+++ b/.github/workflows/recheck.yml
@@ -0,0 +1,20 @@
+on:
+  workflow_dispatch:
+    inputs:
+      which:
+        type: choice
+        description: Which dependents to check
+        options:
+          - strong
+          - most
+
+name: Reverse dependency check
+
+jobs:
+  revdep_check:
+    name: Reverse check ${{ inputs.which }} dependents
+    uses: r-devel/recheck/.github/workflows/recheck.yml@v1
+    with:
+      which: ${{ inputs.which }}
+      subdirectory: '' #if your package is in a git subdir
+      
\ No newline at end of file
diff --git a/DESCRIPTION b/DESCRIPTION
index 7bcec73..c9d798d 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: msm
-Version: 1.8
-Date: 2024-09-06
+Version: 1.8.1
+Date: 2024-10-04
 Title: Multi-State Markov and Hidden Markov Models in Continuous Time
 Authors@R: c(person("Christopher", "Jackson",
          email="chris.jackson@mrc-bsu.cam.ac.uk",
diff --git a/NEWS.md b/NEWS.md
index 5b07f0d..9504c53 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,10 @@
 User-visible changes only.  For internal changes, see Github commits.
 
+# Version 1.8.1 (2024-10-04)
+
+* Fix memory error that crashed reverse dependency checks (#106).
+
+
 # Version 1.8 (2024-09-06)
 
 * Subject-level weights supported for likelihood calculation with new `msm()` argument `subject.weights`.
@@ -16,9 +21,9 @@ User-visible changes only.  For internal changes, see Github commits.
 
 * New function `hmodel2list` to extract HMM constructor function calls from fitted HMMs. Thanks to Will Hulme for working on this.
 
-* Objects returned by `totlos.msm`, `efpt.msm` and `envisits.msm` now have class `"msm.estbystate"`
+* Objects returned by `totlos.msm`, `efpt.msm` and `envisits.msm` now have class `"msm.estbystate"`.
   
-* Objects returned by `prevalence.msm` now have class `"msm.prevalence"`
+* Objects returned by `prevalence.msm` now have class `"msm.prevalence"`.
 
 * Fix of bugs for models containing a covariate named `"baseline"` or `"Baseline"`.