diff --git a/.github/workflows/nix-action-9.0.yml b/.github/workflows/nix-action-9.0.yml
index 6b7b304bf1..a967aec5ee 100644
--- a/.github/workflows/nix-action-9.0.yml
+++ b/.github/workflows/nix-action-9.0.yml
@@ -449,6 +449,78 @@ jobs:
       name: Building/fetching current CI target
       run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
         job "mathcomp-experimental-reals"
+  mathcomp-infotheo:
+    needs:
+    - coq
+    - mathcomp-analysis-stdlib
+    runs-on: ubuntu-latest
+    steps:
+    - name: Determine which commit to initially checkout
+      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"target_commit=${{
+        github.sha }}\" >> $GITHUB_ENV\nelse\n  echo \"target_commit=${{ github.event.pull_request.head.sha
+        }}\" >> $GITHUB_ENV\nfi\n"
+    - name: Git checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: ${{ env.target_commit }}
+    - name: Determine which commit to test
+      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"tested_commit=${{
+        github.sha }}\" >> $GITHUB_ENV\nelse\n  merge_commit=$(git ls-remote ${{ github.event.repository.html_url
+        }} refs/pull/${{ github.event.number }}/merge | cut -f1)\n  mergeable=$(git
+        merge --no-commit --no-ff ${{ github.event.pull_request.base.sha }} > /dev/null
+        2>&1; echo $?; git merge --abort > /dev/null 2>&1 || true)\n  if [ -z \"$merge_commit\"\
+        \ -o \"x$mergeable\" != \"x0\" ]; then\n    echo \"tested_commit=${{ github.event.pull_request.head.sha
+        }}\" >> $GITHUB_ENV\n  else\n    echo \"tested_commit=$merge_commit\" >> $GITHUB_ENV\n\
+        \  fi\nfi\n"
+    - name: Git checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: ${{ env.tested_commit }}
+    - name: Cachix install
+      uses: cachix/install-nix-action@v31
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+    - name: Cachix setup math-comp
+      uses: cachix/cachix-action@v16
+      with:
+        authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
+        extraPullNames: coq, coq-community
+        name: math-comp
+    - id: stepGetDerivation
+      name: Getting derivation for current job (mathcomp-infotheo)
+      run: "NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link \\\n   --argstr bundle
+        \"9.0\" --argstr job \"mathcomp-infotheo\" \\\n   --dry-run 2> err > out ||
+        (touch fail; true)\ncat out err\nif [ -e fail ]; then echo \"Error: getting
+        derivation failed\"; exit 1; fi\n"
+    - id: stepCheck
+      name: Checking presence of CI target for current job
+      run: "if $(cat out err | grep -q \"built:\") ; then\n  echo \"CI target needs
+        actual building\"\n  if $(cat out err | grep -q \"derivations will be built:\"\
+        ) ; then\n    echo \"waiting a bit for derivations that should be in cache\"\
+        \n    sleep 30\n  fi\nelse\n  echo \"CI target already built\"\n  echo \"\
+        status=fetched\" >> $GITHUB_OUTPUT\nfi\n"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: coq'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
+        job "coq"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: mathcomp-analysis-stdlib'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
+        job "mathcomp-analysis-stdlib"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: mathcomp-algebra-tactics'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
+        job "mathcomp-algebra-tactics"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: interval'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
+        job "interval"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: Building/fetching current CI target
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.0" --argstr
+        job "mathcomp-infotheo"
   mathcomp-reals:
     needs:
     - coq
diff --git a/.github/workflows/nix-action-9.1.yml b/.github/workflows/nix-action-9.1.yml
index 9fff4e6e6c..a189aad77d 100644
--- a/.github/workflows/nix-action-9.1.yml
+++ b/.github/workflows/nix-action-9.1.yml
@@ -449,6 +449,78 @@ jobs:
       name: Building/fetching current CI target
       run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
         job "mathcomp-experimental-reals"
+  mathcomp-infotheo:
+    needs:
+    - coq
+    - mathcomp-analysis-stdlib
+    runs-on: ubuntu-latest
+    steps:
+    - name: Determine which commit to initially checkout
+      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"target_commit=${{
+        github.sha }}\" >> $GITHUB_ENV\nelse\n  echo \"target_commit=${{ github.event.pull_request.head.sha
+        }}\" >> $GITHUB_ENV\nfi\n"
+    - name: Git checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: ${{ env.target_commit }}
+    - name: Determine which commit to test
+      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"tested_commit=${{
+        github.sha }}\" >> $GITHUB_ENV\nelse\n  merge_commit=$(git ls-remote ${{ github.event.repository.html_url
+        }} refs/pull/${{ github.event.number }}/merge | cut -f1)\n  mergeable=$(git
+        merge --no-commit --no-ff ${{ github.event.pull_request.base.sha }} > /dev/null
+        2>&1; echo $?; git merge --abort > /dev/null 2>&1 || true)\n  if [ -z \"$merge_commit\"\
+        \ -o \"x$mergeable\" != \"x0\" ]; then\n    echo \"tested_commit=${{ github.event.pull_request.head.sha
+        }}\" >> $GITHUB_ENV\n  else\n    echo \"tested_commit=$merge_commit\" >> $GITHUB_ENV\n\
+        \  fi\nfi\n"
+    - name: Git checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: ${{ env.tested_commit }}
+    - name: Cachix install
+      uses: cachix/install-nix-action@v31
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+    - name: Cachix setup math-comp
+      uses: cachix/cachix-action@v16
+      with:
+        authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
+        extraPullNames: coq, coq-community
+        name: math-comp
+    - id: stepGetDerivation
+      name: Getting derivation for current job (mathcomp-infotheo)
+      run: "NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link \\\n   --argstr bundle
+        \"9.1\" --argstr job \"mathcomp-infotheo\" \\\n   --dry-run 2> err > out ||
+        (touch fail; true)\ncat out err\nif [ -e fail ]; then echo \"Error: getting
+        derivation failed\"; exit 1; fi\n"
+    - id: stepCheck
+      name: Checking presence of CI target for current job
+      run: "if $(cat out err | grep -q \"built:\") ; then\n  echo \"CI target needs
+        actual building\"\n  if $(cat out err | grep -q \"derivations will be built:\"\
+        ) ; then\n    echo \"waiting a bit for derivations that should be in cache\"\
+        \n    sleep 30\n  fi\nelse\n  echo \"CI target already built\"\n  echo \"\
+        status=fetched\" >> $GITHUB_OUTPUT\nfi\n"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: coq'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
+        job "coq"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: mathcomp-analysis-stdlib'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
+        job "mathcomp-analysis-stdlib"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: mathcomp-algebra-tactics'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
+        job "mathcomp-algebra-tactics"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: 'Building/fetching previous CI target: interval'
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
+        job "interval"
+    - if: steps.stepCheck.outputs.status != 'fetched'
+      name: Building/fetching current CI target
+      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "9.1" --argstr
+        job "mathcomp-infotheo"
   mathcomp-reals:
     needs:
     - coq
diff --git a/.nix/config.nix b/.nix/config.nix
index f2042d1c24..954ad8a4ab 100644
--- a/.nix/config.nix
+++ b/.nix/config.nix
@@ -7,6 +7,7 @@ let
     mathcomp-reals-stdlib.job = true;
     mathcomp-analysis-stdlib.job = true;
     ssprove.override.version = "main";
+    mathcomp-infotheo.override.version = "master";
   };
 in {
   ## DO NOT CHANGE THIS
@@ -55,6 +56,7 @@ in {
   bundles."8.20-2.4.0".coqPackages = common-bundle // {
     coq.override.version = "8.20";
     mathcomp.override.version = "2.4.0";
+    mathcomp-infotheo.job = false;
   };
 
   bundles."9.0" = {
@@ -94,6 +96,7 @@ in {
       mathcomp-bigenough.override.version = "master";
       mathcomp-finmap.override.version = "master";
       ssprove.job = false;
+      mathcomp-infotheo.job = false;
     };
   };