<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-27</periodOfReport>

    <issuer>
        <issuerCik>0001842937</issuerCik>
        <issuerName>Hennessy Capital Investment Corp. VI</issuerName>
        <issuerTradingSymbol>HCVI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001519536</rptOwnerCik>
            <rptOwnerName>HENNESSY DANIEL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HENNESSY CAPITAL INVESTMENT CORP. VI</rptOwnerStreet1>
            <rptOwnerStreet2>3415 N. PINES WAY, SUITE 204</rptOwnerStreet2>
            <rptOwnerCity>WILSON</rptOwnerCity>
            <rptOwnerState>WY</rptOwnerState>
            <rptOwnerZipCode>83014</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <officerTitle>CHIEF EXECUTIVE OFFICER</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001851739</rptOwnerCik>
            <rptOwnerName>Hennessy Capital Partners VI LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3415 N. PINES WAY, SUITE 204</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILSON</rptOwnerCity>
            <rptOwnerState>WY</rptOwnerState>
            <rptOwnerZipCode>83014</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597166</rptOwnerCik>
            <rptOwnerName>Hennessy Capital Group LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3415 N. PINES WAY, SUITE 204</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILSON</rptOwnerCity>
            <rptOwnerState>WY</rptOwnerState>
            <rptOwnerZipCode>83014</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-03-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>145</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11239318</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As described in the registrant's registration statement on Form S-1 (File No. 333-254062) under the heading &quot;Description of Securities-Founder Shares,&quot; the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis, subject to certain adjustments described therein and have no expiration date.</footnote>
        <footnote id="F2">Adjusted to reflect the forfeiture of 135,682 shares of Class B common stock on November 17, 2021, upon the expiration of the underwriters' over-allotment option, which was partially exercised in connection with the registrant's initial public offering.</footnote>
        <footnote id="F3">These shares of Class B common stock are held by Hennessy Capital Partners VI LLC (&quot;HCP&quot;). Daniel J. Hennessy, the Chairman of the Board and Chief Executive Officer of the registrant, is the sole managing member of Hennessy Capital Group LLC, a co-managing member of HCP. Mr. Hennessy has shared voting and dispositive control over the shares held by HCP and may be deemed the beneficial owner of such shares. Mr. Hennessy disclaims beneficial ownership over any securities owned by HCP in which he does not have any pecuniary interest.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel J. Hennessy</signatureName>
        <signatureDate>2023-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Daniel J. Hennessy, the Managing Member of Hennessy Capital Group LLC</signatureName>
        <signatureDate>2023-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Daniel J. Hennessy, the Managing Member of Hennessy Capital Group LLC, a Managing Member of Hennessy Capital Partners VI LLC</signatureName>
        <signatureDate>2023-03-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
